Gravity Review

In your own words: What is gravity?

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NGSS.MS-PS2-4

Make a prediction: If any two objects have gravitational pull on each other, why don't the dog and plant move toward each other?

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NGSS.MS-PS2-5

How many types of friction there are?

• 1

• 2

• 3

• 4

• 5

Objects of any mass exert a gravitational force.

• True

• False

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NGSS.MS-PS2-4

Air pressure is _

• The weight of the air below us.

• The weight of the air above us.

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NGSS.MS-ESS2-5

What is force?

• A measurement of the amount of "stuff" in an object.

• A measurement of space between objects.

• The push or pull of an object.

• The force of attraction that occurs between masses and draws objects toward each other.

True or False: Gravitational attraction is when the strength of gravity between two objects depends on two things: mass of the objects and the distance between them.

• True

• False

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NGSS.MS-PS2-4

As the distance between 2 objects increases, what happens to gravitational force?

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

A measure of gravitational force on an object.

• gravity
• weight
• mass
• kilograms

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NGSS.MS-PS2-4

Gravity attracts all objects towards one another.

• False
• True
• It depends

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NGSS.MS-PS2-4