4. Physical and
Chemical
Changes

5. Learning Objectives:
1. differentiate physical and chemical
change;
2. distinguish examples of physical and
chemical changes; and
3. recognize the
importance of physical
and chemical changes.

9. TRUE OR
FALSE
PHYSICAL OR
CHEMICAL VOCABULARY
100 100 100
200 200 200
300 300 300
400 400 400
500 500 500

10. Situation # 1
You're outside, and your
little sister's popsicle
slides off her popsicle
stick onto the ground.
You come back later and
the popsicle melted.

11. Situation # 2
It is around lunch time, you
feel yourself becoming
hungry, but you have a
basketball game later, so you
eat a banana. Later in your
basketball game you are
energized and cramp free.

12. WHERE DO I
BELONG?
(PHYSICAL / CHEMICAL)

13. Melting
butter for
popcorn.
PHYSICAL CHANGE

14. Separating
sand from
gravel.
PHYSICAL CHANGE

15. Spoiling
food.
CHEMICAL CHANGE

16. A rusting
bicycle.
CHEMICAL CHANGE

17. Making salt
water to
gargle with.
PHYSICAL CHANGE

18. --FIN

19. You left your water in
the freezer for too
long; it's frozen. It
has now experienced a
Chemical Change.
FALSE

20. You make yourself breakfast;
toast, eggs, milk, sausage,
etc. You take the butter out
of the fridge and put it on
the toast. The butter melts.
This is an example of a
Physical Change.
TRUE

21. You cut your knee open.
You run inside to get the
Hydrogen Peroxide to
prevent an infection. It
begins to bubble. This is
a Physical Change.
FALSE

22. You are thirsty, so you
make yourself some
lemonade. This is an
example of a Chemical
Change.
FALSE

23. You put dry ice into
water to create fog, the
fog is produced and the
reaction is over. This
was a Physical Change.
TRUE

24. You are running with
your new clay project;
you trip, and you have
fallen and your clay
project is in ruins.
PHYSICAL

25. Rocket launching.
CHEMICAL

26. Mixing Alka-Seltzer and
water
CHEMICAL

27. Turning peanut to peanut
butter
PHYSICAL

28. Bake a cake.
CHEMICAL

29. Anything that has mass
(weight) and takes up
space.
MATTER

30. Type of change where a
new substance is
created.
CHEMICAL CHANGE

31. A type of change where
the substance stays the
same, but size and shape
may change.
PHYSICAL CHANGE

32. A change that does not
result in a new
substance.
PHYSICAL CHANGE

33. A substance that is made
up of just one kind of
atom.
ELEMENT