Gravity & Motion

Newton's first law of inertia says that an object at rest will stay at rest and an object in motion will stay in motion unless acted upon by an outside force.

• true
• False

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

• true
• False

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Newton's law of universal gravitation states that every object in the universe is attracted to the sun.

• True
• False

Tags

NGSS.MS-PS2-4

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

• true
• false

Earth's gravity pushes the moon outward.

• true
• false

Tags

NGSS.MS-ESS1-2

The amount of matter in an object is its

• weight
• gravity
• inertia
• mass

Tags

NGSS.MS-PS1-5

NGSS.MS-PS3-1

__________________ attracts all objects toward each other.

• weight
• gravity
• mass
• inertia

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

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

• volume
• inertia
• density
• height

The measure of force on an object is its ___________________.

• mass
• gravity
• weight
• inertia

Your weight on the moon is the same as it is on Earth because you contain the same amount of matter.

• true
• False

Tags

NGSS.MS-PS2-4