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LESSON 44�Effect of Force on the Shape of an Object

WALTER E. LUPOS

TEACHER

UPPER TAMBLER CENTRAL ELEMENTARY SCHOOL

FATIMA, GENERAL SANTOS CITY

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GUESSING GAME: DIFFERENT SHAPES

- I have four equal sides and 4 corners. What am I?

- I have no sides, no corners, and just go round and round

square

circle

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GUESSING GAME: DIFFERENT SHAPES

I have three sides and 3 corners. What am I?

I have two short sides, 2 long sides and four corners

triangle

rectangle

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ELICIT

Ask the pupils to move a chair. Ask them the ff. questions:

*Will the chair move if you push it?

*Why do you think your chair move if you push it?

*Based from this activity, how will you describe force?

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ELICIT

Problem: What are the effects of force on the shape of an object?

Materials: hammer, toy car, tin can, clay, wire, sponge, rubber band, cloth,

State your hypothesis: ____________________________________________________________________________________________________________________________________

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ELICIT

Objects

Do the following activities in each objects.

What happened to each of the objects?

  1. Toy car

Push

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2. Tin can

Pound

 

3. Clay

Press

 

4. Wire

Bend

 

5. Sponge

Twist

 

6. Rubber band

Stretch

 

7. Cloth

Squeeze

 

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Is your hypothesis correct? ___________yes ___________no

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State your conclusion. I therefore conclude that when force is exerted on objects, they_______________________________________________________________

_______________________________________________________________.

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