A diagram about energy: types, characteristics...

1. ENERGY

2. Definition:
ENERGY

3. Definition:
ENERGY
ENERGY

4. Definition:
ENERGY is the ability to
do a job.
ENERGY

5. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:

6. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- ____________:
2.- _________:
3.- ________:
4.- ________:
5.- ___________:
6.- _____:
7.- ______:

7. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
2.- _________:
3.- ________:
4.- ________:
5.- ___________:
6.- _____:
7.- ______:

8. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL
2.- _________:
3.- ________:
4.- ________:
5.- ___________:
6.- _____:
7.- ______:

9. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
2.- _________:
3.- ________:
4.- ________:
5.- ___________:
6.- _____:
7.- ______:

10. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on
the position.
2.- _________:
3.- ________:
4.- ________:
5.- ___________:
6.- _____:
7.- ______:

11. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- _________:
3.- ________:
4.- ________:
5.- ___________:
6.- _____:
7.- ______:

12. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
3.- ________:
4.- ________:
5.- ___________:
6.- _____:
7.- ______:

13. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- ________:
4.- ________:
5.- ___________:
6.- _____:
7.- ______:

14. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
4.- ________:
5.- ___________:
6.- _____:
7.- ______:

15. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- ________:
5.- ___________:
6.- _____:
7.- ______:

16. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
5.- ___________:
6.- _____:
7.- ______:

17. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ___________:
6.- _____:
7.- ______:

18. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
6.- _____:
7.- ______:

19. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- _____:
7.- ______:

20. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
7.- ______:

21. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- ______:

22. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:

23. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations

24. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:

25. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
.- .-
.- .-
.- .-
.- .-
.-

26. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE
.- .-
.- .-
.- .-
.- .-
.-

27. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- .-
.- .-
.- .-
.- .-
.-

28. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .-
.- .-
.- .-
.- .-
.-

29. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .-
.- PETROLEUM .-
.- .-
.- .-
.-

30. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .-
.- PETROLEUM .-
.- NATURAL GAS .-
.- .-
.-

31. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .-
.- PETROLEUM .-
.- NATURAL GAS .-
.- NUCLEAR POWER .-
.-

32. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .-
.- NATURAL GAS .-
.- NUCLEAR POWER .-
.-

33. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .-
.- NUCLEAR POWER .-
.-

34. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .-
.-

35. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.-

36. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL

37. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
LIGHT

38. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
TYPES OF LIGHT SOURCES:
LIGHT

39. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- :
( )
.- :
( )
TYPES OF LIGHT SOURCES:
LIGHT

40. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
( )
.- :
( )
TYPES OF LIGHT SOURCES:
LIGHT

41. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- :
( )
TYPES OF LIGHT SOURCES:
LIGHT

42. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
( )
TYPES OF LIGHT SOURCES:
LIGHT

43. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
LIGHT

44. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
LIGHT

45. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.-
2.-
3.- ( )
LIGHT

46. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.-
3.- ( )
LIGHT

47. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- ( )
LIGHT

48. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST ( )
LIGHT

49. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT

50. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
LIGHT

51. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.-
2.-
3.-
LIGHT

52. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.-
3.-
LIGHT

53. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.- TRANSLUCENT.
3.-
LIGHT

54. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.- TRANSLUCENT.
3.- OPAQUE.
LIGHT

55. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.- TRANSLUCENT.
3.- OPAQUE.
PROPERTIES OF LIGHT:
LIGHT

56. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.- TRANSLUCENT.
3.- OPAQUE.
PROPERTIES OF LIGHT:
1.- ( )
2.- ( )
3.- ________:
.- .- .-
.- .- .- .-
LIGHT

57. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.- TRANSLUCENT.
3.- OPAQUE.
PROPERTIES OF LIGHT:
1.- REFLEXION ( )
2.- ( )
3.- ________:
.- .- .-
.- .- .- .-
LIGHT

58. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.- TRANSLUCENT.
3.- OPAQUE.
PROPERTIES OF LIGHT:
1.- REFLEXION (Mirrors)
2.- ( )
3.- ________:
.- .- .-
.- .- .- .-
LIGHT

59. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.- TRANSLUCENT.
3.- OPAQUE.
PROPERTIES OF LIGHT:
1.- REFLEXION (Mirrors)
2.- REFRACTION ( )
3.- ________:
.- .- .-
.- .- .- .-
LIGHT

60. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.- TRANSLUCENT.
3.- OPAQUE.
PROPERTIES OF LIGHT:
1.- REFLEXION (Mirrors)
2.- REFRACTION (Lens)
3.- ________:
.- .- .-
.- .- .- .-
LIGHT

61. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.- TRANSLUCENT.
3.- OPAQUE.
PROPERTIES OF LIGHT:
1.- REFLEXION (Mirrors)
2.- REFRACTION (Lens)
3.- COLOURS:
.- .- .-
.- .- .- .-
LIGHT

62. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.- TRANSLUCENT.
3.- OPAQUE.
PROPERTIES OF LIGHT:
1.- REFLEXION (Mirrors)
2.- REFRACTION (Lens)
3.- COLOURS:
.- red .- .-
.- .- .- .-
LIGHT

63. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.- TRANSLUCENT.
3.- OPAQUE.
PROPERTIES OF LIGHT:
1.- REFLEXION (Mirrors)
2.- REFRACTION (Lens)
3.- COLOURS:
.- red .- orange .-
.- .- .- .-
LIGHT

64. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.- TRANSLUCENT.
3.- OPAQUE.
PROPERTIES OF LIGHT:
1.- REFLEXION (Mirrors)
2.- REFRACTION (Lens)
3.- COLOURS:
.- red .- orange .- yellow
.- .- .- .-
LIGHT

65. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.- TRANSLUCENT.
3.- OPAQUE.
PROPERTIES OF LIGHT:
1.- REFLEXION (Mirrors)
2.- REFRACTION (Lens)
3.- COLOURS:
.- red .- orange .- yellow
.- green .- .- .-
LIGHT

66. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.- TRANSLUCENT.
3.- OPAQUE.
PROPERTIES OF LIGHT:
1.- REFLEXION (Mirrors)
2.- REFRACTION (Lens)
3.- COLOURS:
.- red .- orange .- yellow
.- green .- blue .- .-
LIGHT

67. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.- TRANSLUCENT.
3.- OPAQUE.
PROPERTIES OF LIGHT:
1.- REFLEXION (Mirrors)
2.- REFRACTION (Lens)
3.- COLOURS:
.- red .- orange .- yellow
.- green .- blue .- indigo .-
LIGHT

68. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.- TRANSLUCENT.
3.- OPAQUE.
PROPERTIES OF LIGHT:
1.- REFLEXION (Mirrors)
2.- REFRACTION (Lens)
3.- COLOURS:
.- red .- orange .- yellow
.- green .- blue .- indigo .-violet
LIGHT

69. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.- TRANSLUCENT.
3.- OPAQUE.
PROPERTIES OF LIGHT:
1.- REFLEXION (Mirrors)
2.- REFRACTION (Lens)
3.- COLOURS:
.- red .- orange .- yellow
.- green .- blue .- indigo .-violet
LIGHT
SOUND

70. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.- TRANSLUCENT.
3.- OPAQUE.
PROPERTIES OF LIGHT:
1.- REFLEXION (Mirrors)
2.- REFRACTION (Lens)
3.- COLOURS:
.- red .- orange .- yellow
.- green .- blue .- indigo .-violet
PROPAGATION OF SOUND:
LIGHT
SOUND

71. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.- TRANSLUCENT.
3.- OPAQUE.
PROPERTIES OF LIGHT:
1.- REFLEXION (Mirrors)
2.- REFRACTION (Lens)
3.- COLOURS:
.- red .- orange .- yellow
.- green .- blue .- indigo .-violet
PROPAGATION OF SOUND:
Sound travels:
1.-
2.-
3.-
LIGHT
SOUND

72. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.- TRANSLUCENT.
3.- OPAQUE.
PROPERTIES OF LIGHT:
1.- REFLEXION (Mirrors)
2.- REFRACTION (Lens)
3.- COLOURS:
.- red .- orange .- yellow
.- green .- blue .- indigo .-violet
PROPAGATION OF SOUND:
Sound travels:
1.- ALL DIRECTIONS.
2.-
3.-
LIGHT
SOUND

73. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.- TRANSLUCENT.
3.- OPAQUE.
PROPERTIES OF LIGHT:
1.- REFLEXION (Mirrors)
2.- REFRACTION (Lens)
3.- COLOURS:
.- red .- orange .- yellow
.- green .- blue .- indigo .-violet
PROPAGATION OF SOUND:
Sound travels:
1.- ALL DIRECTIONS.
2.- FAST ( )
3.-
LIGHT
SOUND

74. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.- TRANSLUCENT.
3.- OPAQUE.
PROPERTIES OF LIGHT:
1.- REFLEXION (Mirrors)
2.- REFRACTION (Lens)
3.- COLOURS:
.- red .- orange .- yellow
.- green .- blue .- indigo .-violet
PROPAGATION OF SOUND:
Sound travels:
1.- ALL DIRECTIONS.
2.- FAST (340 m/s)
3.-
LIGHT
SOUND

75. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.- TRANSLUCENT.
3.- OPAQUE.
PROPERTIES OF LIGHT:
1.- REFLEXION (Mirrors)
2.- REFRACTION (Lens)
3.- COLOURS:
.- red .- orange .- yellow
.- green .- blue .- indigo .-violet
PROPAGATION OF SOUND:
Sound travels:
1.- ALL DIRECTIONS.
2.- FAST (340 m/s)
3.- NEVER THROUGH VACUUM
LIGHT
SOUND

76. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.- TRANSLUCENT.
3.- OPAQUE.
PROPERTIES OF LIGHT:
1.- REFLEXION (Mirrors)
2.- REFRACTION (Lens)
3.- COLOURS:
.- red .- orange .- yellow
.- green .- blue .- indigo .-violet
PROPAGATION OF SOUND:
Sound travels:
1.- ALL DIRECTIONS.
2.- FAST (340 m/s)
3.- NEVER THROUGH VACUUM
CHARACTERISTICS OF SOUND:
LIGHT
SOUND

77. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.- TRANSLUCENT.
3.- OPAQUE.
PROPERTIES OF LIGHT:
1.- REFLEXION (Mirrors)
2.- REFRACTION (Lens)
3.- COLOURS:
.- red .- orange .- yellow
.- green .- blue .- indigo .-violet
PROPAGATION OF SOUND:
Sound travels:
1.- ALL DIRECTIONS.
2.- FAST (340 m/s)
3.- NEVER THROUGH VACUUM
CHARACTERISTICS OF SOUND:
1.-
2.-
3.-
4.-
LIGHT
SOUND

78. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.- TRANSLUCENT.
3.- OPAQUE.
PROPERTIES OF LIGHT:
1.- REFLEXION (Mirrors)
2.- REFRACTION (Lens)
3.- COLOURS:
.- red .- orange .- yellow
.- green .- blue .- indigo .-violet
PROPAGATION OF SOUND:
Sound travels:
1.- ALL DIRECTIONS.
2.- FAST (340 m/s)
3.- NEVER THROUGH VACUUM
CHARACTERISTICS OF SOUND:
1.- INTENSITY ( )
( / )
2.-
3.-
4.-
LIGHT
SOUND

79. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.- TRANSLUCENT.
3.- OPAQUE.
PROPERTIES OF LIGHT:
1.- REFLEXION (Mirrors)
2.- REFRACTION (Lens)
3.- COLOURS:
.- red .- orange .- yellow
.- green .- blue .- indigo .-violet
PROPAGATION OF SOUND:
Sound travels:
1.- ALL DIRECTIONS.
2.- FAST (340 m/s)
3.- NEVER THROUGH VACUUM
CHARACTERISTICS OF SOUND:
1.- INTENSITY (Volume)
( / )
2.-
3.-
4.-
LIGHT
SOUND

80. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.- TRANSLUCENT.
3.- OPAQUE.
PROPERTIES OF LIGHT:
1.- REFLEXION (Mirrors)
2.- REFRACTION (Lens)
3.- COLOURS:
.- red .- orange .- yellow
.- green .- blue .- indigo .-violet
PROPAGATION OF SOUND:
Sound travels:
1.- ALL DIRECTIONS.
2.- FAST (340 m/s)
3.- NEVER THROUGH VACUUM
CHARACTERISTICS OF SOUND:
1.- INTENSITY (Volume)
( LOUD / )
2.-
3.-
4.-
LIGHT
SOUND

81. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.- TRANSLUCENT.
3.- OPAQUE.
PROPERTIES OF LIGHT:
1.- REFLEXION (Mirrors)
2.- REFRACTION (Lens)
3.- COLOURS:
.- red .- orange .- yellow
.- green .- blue .- indigo .-violet
PROPAGATION OF SOUND:
Sound travels:
1.- ALL DIRECTIONS.
2.- FAST (340 m/s)
3.- NEVER THROUGH VACUUM
CHARACTERISTICS OF SOUND:
1.- INTENSITY (Volume)
( LOUD / QUIET)
2.-
3.-
4.-
LIGHT
SOUND

82. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.- TRANSLUCENT.
3.- OPAQUE.
PROPERTIES OF LIGHT:
1.- REFLEXION (Mirrors)
2.- REFRACTION (Lens)
3.- COLOURS:
.- red .- orange .- yellow
.- green .- blue .- indigo .-violet
PROPAGATION OF SOUND:
Sound travels:
1.- ALL DIRECTIONS.
2.- FAST (340 m/s)
3.- NEVER THROUGH VACUUM
CHARACTERISTICS OF SOUND:
1.- INTENSITY (Volume)
( LOUD / QUIET)
2.- PITCH:
( / )
3.-
4.-
LIGHT
SOUND

83. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.- TRANSLUCENT.
3.- OPAQUE.
PROPERTIES OF LIGHT:
1.- REFLEXION (Mirrors)
2.- REFRACTION (Lens)
3.- COLOURS:
.- red .- orange .- yellow
.- green .- blue .- indigo .-violet
PROPAGATION OF SOUND:
Sound travels:
1.- ALL DIRECTIONS.
2.- FAST (340 m/s)
3.- NEVER THROUGH VACUUM
CHARACTERISTICS OF SOUND:
1.- INTENSITY (Volume)
( LOUD / QUIET)
2.- PITCH:
(HIGH / )
3.-
4.-
LIGHT
SOUND

84. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.- TRANSLUCENT.
3.- OPAQUE.
PROPERTIES OF LIGHT:
1.- REFLEXION (Mirrors)
2.- REFRACTION (Lens)
3.- COLOURS:
.- red .- orange .- yellow
.- green .- blue .- indigo .-violet
PROPAGATION OF SOUND:
Sound travels:
1.- ALL DIRECTIONS.
2.- FAST (340 m/s)
3.- NEVER THROUGH VACUUM
CHARACTERISTICS OF SOUND:
1.- INTENSITY (Volume)
( LOUD / QUIET)
2.- PITCH:
(HIGH / LOW)
3.-
4.-
LIGHT
SOUND

85. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.- TRANSLUCENT.
3.- OPAQUE.
PROPERTIES OF LIGHT:
1.- REFLEXION (Mirrors)
2.- REFRACTION (Lens)
3.- COLOURS:
.- red .- orange .- yellow
.- green .- blue .- indigo .-violet
PROPAGATION OF SOUND:
Sound travels:
1.- ALL DIRECTIONS.
2.- FAST (340 m/s)
3.- NEVER THROUGH VACUUM
CHARACTERISTICS OF SOUND:
1.- INTENSITY (Volume)
( LOUD / QUIET)
2.- PITCH:
(HIGH / LOW)
3.- QUALITY or TIMBRE
4.-
LIGHT
SOUND

86. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.- TRANSLUCENT.
3.- OPAQUE.
PROPERTIES OF LIGHT:
1.- REFLEXION (Mirrors)
2.- REFRACTION (Lens)
3.- COLOURS:
.- red .- orange .- yellow
.- green .- blue .- indigo .-violet
PROPAGATION OF SOUND:
Sound travels:
1.- ALL DIRECTIONS.
2.- FAST (340 m/s)
3.- NEVER THROUGH VACUUM
CHARACTERISTICS OF SOUND:
1.- INTENSITY (Volume)
( LOUD / QUIET)
2.- PITCH:
(HIGH / LOW)
3.- QUALITY or TIMBRE
4.- DURATION:
( / )
LIGHT
SOUND

87. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.- TRANSLUCENT.
3.- OPAQUE.
PROPERTIES OF LIGHT:
1.- REFLEXION (Mirrors)
2.- REFRACTION (Lens)
3.- COLOURS:
.- red .- orange .- yellow
.- green .- blue .- indigo .-violet
PROPAGATION OF SOUND:
Sound travels:
1.- ALL DIRECTIONS.
2.- FAST (340 m/s)
3.- NEVER THROUGH VACUUM
CHARACTERISTICS OF SOUND:
1.- INTENSITY (Volume)
( LOUD / QUIET)
2.- PITCH:
(HIGH / LOW)
3.- QUALITY or TIMBRE
4.- DURATION:
(SHORT / )
LIGHT
SOUND

88. Definition:
ENERGY is the ability to
do a job.
ENERGY
FORMS OF ENERGY:
1.- MECHANICAL:
POTENTIAL + KINETIC
Depending on Depending on
the position. the movement.
2.- CHEMICAL:
Transformation of substances,
reeleasing light, heat…
3.- THERMAL:
Vibrations of atoms produce heat.
4.- NUCLEAR:
Reactions inside atoms of
uranium, plutonium…
5.- ELECTRICAL:
Flow of electrons through a conductor.
6.- LIGHT:
Light is a kind of radiation from light
sources.
7.- SOUND:
Sound is an energy made of
vibrations
GROUPS OF ENERGY SOURCES:
NON-RENEWABLE RENEWABLE
.- COAL .- SOLAR
.- PETROLEUM .- WIND
.- NATURAL GAS .- HYDROPOWER
.- NUCLEAR POWER .- BIOMASS
.- GEOTHERMAL
.- NATURAL SOURCES:
(The Sun, stars…)
.- ARTIFICIAL SOURCES:
(light bulb, candle…)
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.- STRAIGHT.
2.- ALL DIRECTIONS.
3.- VERY FAST (300,000 km/s)
LIGHT AND MATTER:
Three groups of substances:
1.- TRANSPARENT.
2.- TRANSLUCENT.
3.- OPAQUE.
PROPERTIES OF LIGHT:
1.- REFLEXION (Mirrors)
2.- REFRACTION (Lens)
3.- COLOURS:
.- red .- orange .- yellow
.- green .- blue .- indigo .-violet
PROPAGATION OF SOUND:
Sound travels:
1.- ALL DIRECTIONS.
2.- FAST (340 m/s)
3.- NEVER THROUGH VACUUM
CHARACTERISTICS OF SOUND:
1.- INTENSITY (Volume)
( LOUD / QUIET)
2.- PITCH:
(HIGH / LOW)
3.- QUALITY or TIMBRE
4.- DURATION:
(SHORT / LONG)
LIGHT
SOUND

89. Definition:
ENERGY is
ENERGY
FORMS OF ENERGY:
1.- ____________:
___________ + __________
2.- __________:
3.- _________:
4.- ________:
5.- ___________:
6.- ______:
7.- _______:
GROUPS OF ENERGY SOURCES:
__________________ _______________
.- .-
.- .-
.- .-
.- .-
.-
.- __________________:
( )
.- ____________________:
( )
TYPES OF LIGHT SOURCES:
PROPAGATION OF LIGHT:
Light travels:
1.-
2.-
3.- ( )
LIGHT AND MATTER:
Three groups of substances:
1.-
2.-
3.-
PROPERTIES OF LIGHT:
1.- ( )
2.- ( )
3.-
PROPAGATION OF SOUND:
Sound travels:
1.-
2.- ( )
3.-
CHARACTERISTICS OF SOUND:
1.- ____________ : ( )
( / )
2.- __________:
( / )
3.- ____________ or ___________
4.- ____________:
( / )
LIGHT
SOUND