for grade 5 teachers

2. REVIEW
FINDING THE WORD: Rearrange the jumbled
letter to form a new word base on the given
statements.
Y T I S O C S I V
A. The property of liquid that is present in
pancake syrup or water
V I S C O S I T Y

3. B. This refers to the ability of a
substance to be dissolved in another
substance
T Y L I B I L U S O
S O L U B I L I T Y

4. C. Object with this kind of property
can be very flexible
T Y E L I S T A C I
E L A S T I C I T Y

5. D. The ability of an object to resist
from being scratched.
H R D N S S A E
H A R D N E S S

6. D U C T I L I T Y
E. The examples of objects with this property
are gold and silver, which can be made into
jewelries
T Y L D U C T I I

7. MOTIVATION
GAME: “Change or No Change”
1. Liquid water left in the freezer becomes solid. Is it
“Change or No Change”?
2. The ice cube is taken out of the freezer and melts. Is
it “Change or No Change”?
3. When you leave cup of cooked rice on the table for a
day. It turns sour. Is it a “Change or No Change”?

8. 4. Sweet sugar turn bitter when
mixed to coffee. Is it “Change or
No Change”?
5. Sour mango becomes sweet
when it ripens. Is it “Change or
No Change”?

9. EXPLORATION
Ask: What will happen to
materials that undergo physical
changes?

10. Group Activity

11. Activity 1 “Let’s Change”
Problem: How do materials undergo
change.
Materials: balloon, pencil, water, ice cubes
Procedure:
A. Balloon
1. Observe the shape of the balloon.
2. Blow the balloon, and then observe
what happens.
3. Record your answer in the table.

12. B. Pencil
1. Observe the size of the
pencil.
2. Sharpen it for one minute,
and then observe what happen.
3. Record your answer in the
table.

13. C. Drop of water
1. Drop 2mL of water into the teaspoon. Observe
the amount of water.
2. boil the water for 2 minutes.
Observe what happens.
3. Record your answer in the table.
D. Ice cubes
1. Observe the cubes for a minute.
2. Record your observation

14. Name
of
Material
Change in Condition
that cause
the
change
Size Shape Volume Phase
Balloon
Pencil
Drop of
water
Ice
cubes

15. Guide Questions:
1. What changes do these materials
undergo?
2. Can you describe these changes?
3. What properties have changed?
Conclusion:
_______________________________________________
_______________________________________________
_______________________________________________

16. Remember:
Materials may undergo changes
in their:

17. Application
Challenge your creativity
Group 1 – Young Actor/actresses. Present in a short
skit changes that occurs in materials to help you live a
comfortable way of life.
Group 2 – The Future Singers. Through a song
describe the advantages you get from changes of
materials.
Group 3 – The Artist. Through a collage, describe the
advantages you get from physical change of materials.

18. Evaluation
Directions: Identify the change in the material
being described in the following situation. Write
A if the change is shape: B if the change is Size:
and C if the change is in Phase.
1. The lumber is cut into three equal parts.
2. Water is place in a bottle.
3. Grinding of meat.
4. Pound a teaspoon of peanuts.
5. Ice removed from freezer then melted.

19. Assignment:
Give examples of changes that
material undergo. Identify the
type of changes as to size,
shape or phase/state.