1. When will gravity be the strongest?

• The farther away you are from an object.

• When you are standing on the moon.

• During the daytime.

• The closer you are to an object.

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1. What scientist is credited with first describing the mathematics of gravity?

• Albert Einstein

• Galileo Galilei

• Isaac Newton

• Charles Darwin

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What do we call the force of gravity on an object?

• Mass

• Friction

• Acceleration

• Weight

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True or False: The more mass an object has, the faster it will fall.

• True

• False

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Gravity on Earth is how many times stronger than gravity on the Moon?

• Ten

• Six

• Four

• Two

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________ is a push or pull exerted (or put) on an object.

• Force

• Mass

• Weight

• Acceleration

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_______ is a measure of the force of gravity on an object

• Friction

• Mass

• Speed

• Weight

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_______ is a measure of the amount if matter in an object.

• Weight

• Mass

• Force

• A measuring cup

Which two of these forces act on parachutes?

• Air Resistance

• Gravity

• Thrust

• Kinetic Energy

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What causes an object to fall faster?

• Smaller surface area

• Larger surface area

• If it has a parachute

• If it is softer

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