The Universe Review

Gravity is the force objects put on each other because of their ______.

• Mass
• Friendliness
• Acceleration
• Speed

As distance between two objects increases, the pull of gravity 

• Increases
• Decreases
• Stays the same

A person would weigh less on 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

What forces cause a planet to orbit?

• gravity and orbit
• gravity and inertia
• gravity and mass
• gravity and weight

Tags

NGSS.MS-PS2-4

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

What would happen to the planets in the solar system if the sun’s gravitational force were to suddenly disappear?

• They will stop moving and become static.
• They will stop spinning.
• They will fly away in straight lines.
• They will start moving toward the Sun

Tags

NGSS.MS-PS2-4

NGSS.MS-ESS1-2

When it is fall in the northern hemisphere, it is...

• ...fall in the southern hemisphere.
• ...spring in the southern hemisphere.
• ...winter, in the southern hemisphere.
• ...summer in the southern hemisphere.

What causes the seasons to change?

• The warming and cooling of Earth's core.
• The distance from the sun.
• Earth's tilt in relation to the sun.
• Earth's rotation on its axis.

Which season is taking place in the Southern Hemisphere in Position 1?

• Winter
• Spring
• Summer
• Fall

What is Earth's annual motion around the sun called?

• Rotation
• Revolution

Tags

NGSS.MS-ESS1-1

One rotation of Earth is equal to

• a day.
• a year.