Gravity and Orbits Quiz

What is gravity?

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What two factors affect the strength of gravity?

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What is an orbit?

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How does gravity affect the motion of the earth?

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Explain the relationship between the earth, moon and sun in terms of orbits.

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Which two factors affect the strength of gravity between two objects?

• Distance and temperature

• Mass and distance

• Volume and shape

• Speed and direction

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What happens to the gravitational pull when two objects are closer to each other?

• It becomes weaker

• It remains the same

• It becomes stronger

• It disappears

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Why does the earth's gravitational pull bring a ball back to the ground when thrown into the air?

• Because the earth is spinning

• Because the earth has more mass than the ball

• Because the ball is lighter than air

• Because the ball is magnetic

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What is an orbit?

• A straight path an object follows

• A curved path an object follows as it revolves around another object

• A random movement of an object

• A stationary position of an object

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What is gravity?

• A force of attraction between any two objects

• A type of energy

• A chemical reaction

• A magnetic force

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