Pre-test: Force

How can you change the shape of a balloon?

• by bending

• by pressing

• by twisting

When cut, the size of the following may change except one.

• rope

• paper

• stone

The size, shape and movement of an object may change when______ is

applied on it.

• gravity

• force

• balance

Which of the following shows that an object changed its size?

• dropping a flower vase

• pushing a car

• pulling a box

Which of the following shows that force affects the movement of an object?

• A toy car travels farther when the force applied was stronger.

• A boy molding a clay.

• A girl cutting a piece of paper.

Identify the effect of a force in the following situations.

6. bending an electric wire

• change in the shape of an object

• change in the size of an object

• change in the movement of an object

Identify the effect of a force in the following situations.

7. cutting a rope

• change in the shape of an object

• change in the size of an object

• change in the movement of an object

Identify the effect of a force in the following situation:

8. a ball hits against a wall

• change in the shape of an object

• change in the size of an object

• change in the movement of an object

Identify the effect of a force in the following situation:

9. pushing a table

• change in the shape of an object

• change in the size of an object

• change in the movement of an object

Identify the effect of a force in the following situation:

10. hammering a nail

• change in the shape of an object

• change in the size of an object

• change in the movement of an object