NGSS.MS-PS2-4

Gravity on the moon is about 1/6 the gravity felt on the earth. This is because

• the moon is much less massive than the earth
• the earth has a molten core and the moon doesn't
• the moon is so much further from the sun than the earth.
• the moon is so far away from the earth

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NGSS.MS-PS2-4

On which celestial object (outer space) would your mass be the greatest?

• Earth

• Jupiter

• Sun

• Your mass doesn't change on different celestial objects

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NGSS.MS-PS2-4

1. What is gravity?

• A type of rock
• A type of plate boundary
• When two objects are attracted to each other.

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NGSS.MS-PS2-4

Which model has greater gravitational attraction (if any)

• Model A
• Model B
• Both Model A and Model B (same gravity)

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NGSS.MS-PS2-4

The measure of the force of gravity on an object.

• gravity
• friction
• mass
• weight

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NGSS.MS-PS2-4

Weight is:

• how much something weighs

• how much mass an object has

• the gravitational pull on an object

• the stuff we are made up of

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NGSS.MS-PS2-4

An object that revolves around another object in space

• revolving

• Meteoroid

• satellite

• vacuum

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NGSS.MS-PS2-4

Which observation from figure 1 can best be used as evidence to support the claim that the Sun has a gravitational pull on asteroids in the solar system?

• Most of the asteroids in the solar system are between Jupiter and the Sun

• All of the planets and asteroids in the solar system orbit around the Sun

• Apollo asteroids have orbits closer to the Sun than other asteroids in the solar system

• Only the planets with the largest masses in the solar system orbit around the Sun

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NGSS.MS-PS2-4

Which two factors affect the strength of the gravitational pull on two objects?

• Mass and density

• Weight and density

• Weight and distance

• Mass and distance

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NGSS.MS-PS2-4

Look at the table provided. In which example is the gravitational force of attraction between the two objects the greatest?

• Example 1

• Example 2

• Example 3

• Example 4

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NGSS.MS-PS2-4