Fusion 5: Unit 12 Lesson 1

Which planets have rings?

• Mercury, Venus, Earth, Mars

• Uranus, Neptune Pluto

• Jupiter, Saturn, Uranus, Neptune

• Moon

What are the planetary rings made out of?

• rocks

• rocks and ice

• ice

• gas and rocks

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This is made up of a star and planets, plus other space objects, that revolve around the sun.

• rotational system

• nebula

• orbit

• solar system

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All of our 8 planets rotate, or spin, along an imaginary what?

• centerpoint

• axis

• pole

• axle

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These revolve directly around the sun, which is the CENTER of the solar system:

• planets

• moons

• asteroids

• astronauts

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Small, natural objects that revolve around other objects (NOT the sun) are called:

• asteroids

• meteors

• moons

• Klingons

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Why is the sun considered the center of our solar system?

• It's the biggest object.

• It has a weak magnetic pull.

• It is the only source of light.

• Everything revolves around it.

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Earth has one, but Mercury and Venus have none! What are they?

• people

• moons

• rotations

• orbits

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The smallest planet in our solar system

• Mars

• Earth

• Pluto

• Mercury

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What separates the inner and outer planets?

• asteroid belt

• space

• space dust

• planetary rings