Gravity and Motion Review

What has gravity?

• non-living things like rocks or desks

• living things like plants or animals

• everything, including all of the above

A force is a ___________.

• a push or pull

• just a push

• just a pull

• neither

Is Gravity a force?

• Yes

• No

• Sometimes

• Never

Gravity is _______

• A force that attracts all objects away from each other

• A force that attracts all objects towards each other

• A force that repels all objects away from each other

• A force that repels all objects towards each other

Mass is _______

• The amount of matter in an object

• A force that attracts all objects towards each other

• How much you weigh

• If you can float

True or False: Because of gravity, Earth pulls on the moon. The moon also pulls on Earth.

• True

• False

True or False: Because of gravity, Earth stays in orbit around the moon

• True

• False

The force of gravity is stronger when

• When one object is chasing another

• Two objects are farther apart

• Two objects are closer together

• Two objects are moving away from each other

More mass = more _________

• Speed

• Gravity

• Force

• Malleability

What is inertia?

• The tendency of an object to not change its motion

• The tendency of an object to change its motion

• The tendency of an object to not change its mass

• The tendency of an object to change its motion sometimes