Gravity Quiz

What is the force that pulls everything toward the ground?

• Gravity

• Electricity

• Friction

• Magnetism

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Who was the first person to seriously study gravity over 300 years ago?

• Galileo Galilei

• Isaac Newton

• Albert Einstein

• Nikola Tesla

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What did Sir Isaac Newton realize when an apple fell on his head?

• The apple was repelled by the ground

• The apple was pushed by wind

• The apple was attracted by gravity

• The apple was too heavy

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According to Sir Isaac Newton, what happens when you let go of an object?

• It stays in place

• It disappears

• It goes up

• It goes down

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What is the effect of gravity on all unsupported objects near the surface of the Earth?

• They fall down

• They disappear

• They move sideways

• They float in the air

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What happens when you throw a ball to the left or right?

• It goes up

• It stays in place

• It disappears

• It goes down

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What is the cause that produces the effect of all unsupported objects falling down near the surface of the Earth?

• Friction

• Gravity

• Magnetism

• Electricity

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