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10 Cards in this Set
- Front
- Back
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If you moved to Mars, you would have to create an artificial ___________, which would have oxygen and water.
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ecosystem
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Mars is called the _____ planet because its soil has iron in it.
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red
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Robots that are sent to planets to gather information and pictures are called _______________.
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rovers
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Mars is a _______________ planet with mountains, valleys, and volcanoes on it.
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terrestrial
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The biggest _________ in on Mars and is called Olympus Mons.
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volcano
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True or false. the gravity on Mars is greater than on earth.
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false, less because its mass is smaller
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Mars has a thin __________ with very little protection from things flying through space.
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atmosphere
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Mars has ______ moons.
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2, phobos and deimos
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Mars is easy to spot in the sky because of its ________________ color.
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reddish-orange
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Mars is the closest to _______ in temperatures.
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earth
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