5-PS2-1: Gravity Vocabulary Review

friction caused as an object crashes into air molecules; causes an object to slow down or stop

• force

• air resistance

• weight

• gravity

a push OR pull on an object; measured in Newton (N)

• gravity

• weight

• mass

• force

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A force that tries to pull two objects toward EACH OTHER

• force

• gravitational force

• air resistance

• weight

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The force that pulls things toward the EARTH

• air resistance

• mass

• weight

• gravity

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The scientist who defined the laws of motion and gravity:

• Albert Einstein

• Ben Franklin

• Sheldon Cooper

• Isaac Newton

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How much matter is in something; measured in grams (g):

• weight

• gravity

• mass

• sphere

A scientist who studies motion, forces, and energy:

• physicist

• engineer

• energist

• astronaut

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This describes HOW something works or WHY something happens:

• gravitational force

• air resistance

• scientific explanation

• gravity

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A solid shape that is perfectly round like a ball:

• weight

• mass

• sphere

• force

A MEASURE of the force of gravity on an object:

• force

• mass

• gravity

• weight

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