Gravity Review-Unit 2

The force that keep us from floating off into space when we jump is

• Force

• Gravity

• Mass

• Talent

True or False: Gravity is a natural pull of objects towards each other.

• True

• False

Which scientist first studied gravity?

• Isaac Newton

• Galileo Galilei

• Dr. Jeff

• Albert Einstein

Which of the following best shows the pull of gravity?

• 
• 

True or False: A penguin in the south pole is in danger of falling off the Earth if it jumps too high.

• True

• False

No matter where on earth an object is, the planet's gravitational pull will draw the object ______________ it.

The amount of gravitational force, or pull, between two objects also depends on

• how close in size they are.

• how similar they look.

• how far apart they are.

• how fast they move.

True or false: A large mass creates a strong pull of gravity.

• True

• False

Which of the following has the strongest pull of gravity?

• Meteor

• Satellite

• Moon

• Earth

Which of the following has an effect on the pull of gravity? Select two.

• the size of an object

• the force of friction between the objects

• the amount of time the objects are close together

• the distance between the objects

• the color of the object