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15 Cards in this Set
- Front
- Back
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What are the inner planets mostly made of?
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rock & metal
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What are most of the outer planets made of?
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ice & gas
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What objects orbit the earth?
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moon and satellites
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What objects orbit the sun?
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the planets, comets, asterroids and meteorites
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What does the geocentric model mean?
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Earth is in the center
Sun, moon, and planets revolve around Earth in circles |
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What does the Heliocentric model mean?
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The sun is in the center
The planets and moon revolve around in ellipses. |
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The geocentric model is also known as?
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Ptolemaic System
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The heliocentric model is also known as?
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Copernican System
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Use the sentence to name the planets: My Very Energetic Mother Just Served Us Nine Pizzas.
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Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto
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What is an ellipse?
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a flattened circle
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What sentence helps us remember the planets order from the sun?
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My Very Energetic Mother Just Served Us Nine Pizzas.
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What is the largest planet?
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Jupiter
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What is the smallest planet?
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Pluto
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What does a refracting telescope pick up to form an image?
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visible light
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What separates the inner planets from the outer planets?
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Asteroid Belt
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