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12 Cards in this Set
- Front
- Back
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What % of the Earth's atmosphere is oxygen?
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20%
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What are the clouds on Venus made of?
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sulfuric acid
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What type of surface do the 4 Inner planets have?
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rocky surface
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Which Inner planet(s) have an atmosphere?
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Venus Mars Earth (all but Mercury)
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What planet(s) atmosphere is made up mostly of carbon dioxice?
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Venus Mars (95%)
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Mars has these on it?
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volcanoes
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Which Inner planet(s) has an the greenhouse effect?
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Earth & Venus
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Which planets day is longer than its year?
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Venus
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What does Earth have on it that no other planet has (besides life)?
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liquid water
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Which Inner planet(s) have been visited by space probes?
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Mercury Mars Venus
(all but us ~ we dont investigate ourselves with space probes) |
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Which Inner planet(s) are named after a fake god?
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Mercury Mars Venus
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What are the ice caps on Mars made out of?
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carbon dioxide
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