Astronomy: Ch..1 Lesson 3 - Gravity and Motion

The measure of the force of gravity on an object is the object's ______________________.

• mass

• weight

• matter

• inertia

An object with greater _______________ is more difficult to stop or start.

• force

• gravity

• matter

• inertia

The amount of matter in an object is its ____________.

• weight

• matter

• mass

• inertia

Gravity decreases to ___________________ of its original value if the distance between two objects doubles.

• one-fourth

• one-sixth

• one-eighth

• half

Inertia and _______________ combine to keep Earth in orbit around the sun and the moon in orbit around Earth.

• weight

• gravity

• mass

• matter

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

The ________________________ of two objects and their distance from each other determine the gravitational force between them.

• inertia

• weight

• masses

• gravitational pull

____________________ attracts all objects toward each other.

• Weight

• Matter

• Inertia

• Gravity

Earth's gravity pulls the moon ___________________.

• sideways

• outward

• inward

• up

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Newton's law of ________________ gravitation states that every object in the universe attracts every other object.

• transversal

• gravitational

• optimal

• universal

Newton's first law of _____________ says that an object at rest will stay at rest and an object in motion will stay in motion unless acted on by a force.

• gravity

• motion

• inertia

• mass