Grade 7 science

1. Kris Ann Mae Yap- Bonilla
Grade 7 Science
Subic National High School
HOW DO PEOPLE DESTROY
NATURAL RESOURCES?

2. Picture 1:

4. HUMAN ACTIVITY:
When roads are built,
mountains are blown off using
dynamite.
1. Natural habitats damaged.
2. Plants and animals are killed.

5. Picture 2:

7. HUMAN ACTIVITY:
Rice fields are turned into
residential or commercial
centers.
1. Food resources are
reduced.

8. Picture 3:

10. HUMAN ACTIVITY:
People cut too many trees for
lumber or paper or building
houses.
1. Many plants and animals grow on trees;
biodiversity is reduced.
2. Soils in the area is easily eroded.
3. Reduced food source.
4. Plants and animals used as medicine are
reduced.

11. Picture 4:

13. HUMAN ACTIVITY:
More factories are being built to
keep up with the demands of a fast
growing population and
industrialization.
1. Natural habitats are damaged.
2. Plants and animals move away or
die.
3. Bodies of water and landscape are

14. Picture 5:

16. HUMAN ACTIVITY:
Uncontrolled mining and
quarrying for the purpose of
getting precious metals and
stones and gravel.
1. Mountain areas are destroyed.
2. Natural habitats are damaged.
3. Plants, animals and even
miners are killed.

17. Picture 6:

19. HUMAN ACTIVITY:
Some farmers use too much
chemical fertilizers to replenish
soil fertility.
1. Destroys the quality of soil.
2. Both human and animals are
harmed ( toxicity of chemicals).

20. Picture 7:

23. HUMAN ACTIVITY:
Plastics and other wastes are
thrown into canals and
waterways.
1. Water pollution.
2. Wastes clog waterways that may resul
to flooding.
3. People may get sick because of dirty
water.
4. Aquatic animals and plants may die.

24. Picture 8:

26. HUMAN ACTIVITY:
Plastics are burned together
with other wastes.
1. Air pollution.
2. May badly affect the health of
people as well as plants and
animals.

27. Picture 9:

29. HUMAN ACTIVITY:
Cars, trucks and tricycles that
emit dark smoke (smoke
belchers) are allowed to travel.
1. Air pollution.
2. May badly affect the health of
people as well as plants and
animals.

31. Wasting of ______________

32. EFFECTS:

33. Wasting of __________

34. EFFECTS:

35. Improper Segregation of
_________

36. EFFECTS
: