Gravity, Inertia and Galaxies

What do you call the amount of matter in an object. It remains the same regardless of an object's location.

• Mass
• Weight
• Gravity
• Force

What do you call the measure of gravitational pull on an object. (Mass times gravity) This changes depending on the objects location.

• Gravity
• Mass
• Weight
• Inertia

What two factors affect the amount of gravitational pull between two objects?

• Mass and Distance
• Inertia and Mass
• Mass and Weight
• Inertia and Weight

Tags

NGSS.MS-PS2-4

What two factors keep the planets in orbit around the sun?

• Sun's inertia and Planet's mass
• Planet's inertia and Sun's gravity
• Planet's gravity and Sun's inertia

Gravity attracts all objects towards one another.

• False
• True
• It depends

Tags

NGSS.MS-PS2-4

Because of inertia, a moving object will keep ________.

• at rest
• moving
• in one spot
• inertia 

Tags

NGSS.HS-PS2-1

Because of inertia, a resting object will remain at ________.

• rest
• a constant speed
• school
• inertia 

the tendency of an object to resist a change in its motion

• acceleration
• inertia
• mass
• frame of reference

Gravity is based on an object's

• mass

• size

• roundness

• brightness

Tags

NGSS.MS-PS2-4

Inertia tells us that we need ____________ to get an object moving or to make it stop.

• a force

• gravity

• friction

• strength

Tags

NGSS.MS-PS2-2