These materials comes from nature.

• Natural Materials

• Man-Made Materials

Which property correctly describes the pillow?

• It is hard.

• It is waterproof.

• It is soft.

Plastic chair can support heavy weight.

• True

• False

A push or pull of an object is called __________________.

• force

• gravity

• energy

• friction

Which force is shown in this picture?

• push

• pull

• gravity

• friction

Which force is shown in the picture?

• push

• pull

• gravity

• friction

Which force is shown in the picture?

• push

• pull

• gravity

• friction

Which force is shown in the picture? (look at he brakes being used on the roller blades)

• push

• pull

• gravity

• friction

a push or pull

• force
• gravity
• distance

two objects rubbing together, one object slows down

• motion
• stop
• force
• friction