Gravity, Inertia, and Orbits

Any object with mass has gravity.

• True
• Sometimes
• False
• Never

Tags

NGSS.MS-PS2-4

A person would jump higher on the Moon than on the Earth because . . .

• Moon has more mass, and therefore more gravity
• Moon has less mass, and therefore more gravity
• Moon has more mass, and therefore less gravity
• Moon has less mass and therefore less gravity

Tags

NGSS.MS-PS2-4

Which of the following is required for planets to stay in orbit around the Sun?

• Gravity

• Inertia

• Friction

• Gravity AND Inertia

Tags

NGSS.MS-PS2-4

NGSS.MS-ESS1-2

What force stops planets from crashing into the Sun?

• Gravity

• Weight

• Friction

• Inertia

Tags

NGSS.MS-PS2-4

NGSS.MS-ESS1-2

__________ pulls all of the planets toward the sun.

• Force
• Motion
• Weight
• Gravity

Tags

NGSS.MS-PS2-4

NGSS.MS-ESS1-2

What force stops planets from drifting off into space?

• Gravity

• Weight

• Friction

• Forward Motion

Tags

NGSS.MS-PS2-4

NGSS.MS-ESS1-2

Without gravity, the stars, planets and all objects in the universe would _______.

• continue to orbit each other

• move in a random direction

• move in a straight line

• stop moving

Tags

NGSS.MS-PS2-4

NGSS.MS-ESS1-2

Because of inertia, a moving object will ________.

• stop on its own

• keep moving

• turn around

• break

Because of inertia, an object that is not moving will ________.

• stay still

• start moving

• turn around

• break

Tags

NGSS.HS-PS2-1

What would happen to Earth if there were no inertia?

• Earth would crash into the sun

• Earth would fly out to space

• Earth would collapse

• Earth would orbit the moon