Gravity and the Solar System Quiz

Which planet in our solar system would have the greatest surface gravity?

• Mars

• Neptune

• Jupiter

• Mercury

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What is the term used to describe the spinning of a planet on its axis?

• revolution

• oscillation

• orbit

• rotation

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How did the solar system form according to the widely accepted theory?

• The big bang theory

• The solar nebula theory

• The theory of relativity

• The creationist theory

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Objects that are closer together

• have a greater gravitational pull on each other.

• are gravity neutral.

• will collide as they orbit.

• have less gravitational pull than planets far apart.

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Which planet has the longest orbital period in our solar system?

• Mars

• Neptune

• Mercury

• Venus

What is the name of the force that keeps planets in orbit around the Sun?

• centrifugal force

• gravitational force

• electromagnetic force

• magnetic force

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Why do planets maintain their orbits around the sun? (choose all that apply)

• The gravitational pull of the moon on the Earth causing tides.

• The gravitational pull of the sun on all of the planets.

• The gravitational pull of each of the planets on one another.

• The gravitational pull of moons on the planets that they orbit.

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What is the name of the imaginary line around which a planet rotates?

• circle

• orbit

• axis

• equator

Which of the following determine the gravitational pull of the Earth? (choose all that apply)

• Mass

• Composition

• Size

• Density

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Gravity is a

• Non-contact Force

• Contact Force

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