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10 Cards in this Set
- Front
- Back
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How many planets are there in the solar system?
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8
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Which planets are included in the inner solar system?
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Mercury, Venus, Earth, and Mars
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Which planets are included in the outer solar system?
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Jupiter, Saturn, Uranus, and Neptune
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What separates the inner planets from the outer planets?
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Asteroid Belt
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Which direction do the planets travel in?
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counter--clockwise
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Which planet do scientist think that there may be volcanic activity on?
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Mercury
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Which planet has 2 tiny moons known as Phobos and Deimos that orbit very close to the surface?
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Mars
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Which planet is third from the Sun and is the fifth largest planet?
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Earth
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Which planet has rings that are made up of mostly water and ice?
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Saturn
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Which planet has 7 small moons and 1 large moon known as Triton?
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Neptune
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