NGSS.MS-PS2-4

As mass increases, what happens to gravitational force?

• increases
• decreases
• stays the same
• i don't know

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NGSS.MS-PS2-4

The greater mass a planet has, 

• the greater the gravitational force it has
• the less gravitational force it has
• gravitational force does not depend on mass

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NGSS.MS-PS2-4

All objects in the universe have a gravitational attraction to each other. 

• True
• False

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NGSS.MS-PS2-4

Which object has the most gravity?

• Earth
• moon
• Jupiter
• sun

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NGSS.MS-PS2-4

What is gravitational force?

• It makes objects at rest start moving.
• It makes objects that are moving stop.
• The force of attraction between two objects.
• It pulls you into space.

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NGSS.MS-PS2-4

What is the biggest challenge a rocket must overcome just to leave the ground?

• Earth's air pressure
• Earth's friction
• Earth's gravity
• Earth's magnetism

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NGSS.MS-PS2-4

The tidal force exerted by the ______ is stronger that the tidal force exerted by the _______.

• earth, ocean

• sun, moon

• moon, stars

• moon, sun

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NGSS.MS-PS2-4

Which statement about gravity is true?

• gravity causes objects to pull towards one another

• gravity causes objects to push away from each other

• gravity only takes place between planets

• the moon doesn't have any gravity

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NGSS.MS-PS2-4

What is gravity?

• A force
• Energy
• A push
• All of them

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NGSS.MS-PS2-4

Force = mass x gravity

• Hypothesis

• Theory

• Law

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NGSS.MS-PS2-4