Question 1

What is the force of attraction between two objects called?

Accepted Answer

gravity

Answer

magnetism

Answer

electromagnetism

Answer

friction

Question 2

What do all objects with mass exert on other objects?

Accepted Answer

a gravitational force

Answer

an electric force

Answer

a frictional force

Answer

a magnetic force

Question 3

What falls at a slower rate, a piece of tissue or a ball?

Accepted Answer

a piece of tissue

Answer

both fall at the same rate

Answer

neither falls

Answer

a ball

Question 4

What does Earth's gravity do to objects?

Accepted Answer

pulls them toward Earth’s center

Answer

pushes them away from the center

Answer

allows them to float

Answer

holds them in place

Question 5

What keeps Earth and other objects in orbit?

Accepted Answer

the gravity of the sun

Answer

the gravity of the moon

Answer

the gravitational pull of Earth

Answer

the tension of space

Question 6

True or False: Only objects with huge masses apply gravitational forces on other objects.

Accepted Answer

F

Answer

T

Answer

T

Question 7

True or False: Gravity is a constant force that can be turned off.

Accepted Answer

F

Answer

T

Answer

T

Question 8

True or False: Earth has a small amount of mass compared to objects on it.

Accepted Answer

F

Answer

T

Answer

T

Question 9

True or False: All objects fall at the same rate.

Accepted Answer

F

Answer

T

Answer

T

Question 10

True or False: Artificial satellites and the moon stay in their orbits because of Earth’s gravity.

Accepted Answer

T

Answer

F

Answer

F

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