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science flashcards

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
what are the inner planets (inner planets small/rocky)?   mercury,venus,earth,mars  
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what are the outer planets(called gaseous giants.)(made up of frozen gas and soild core)?   jupiter,saturn,uranus,neptune  
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what seperates innner planets from the outer planets?   asteroid belt  
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it takes how many earthdays or earthyears for mercury,earth,and neptune to orbit the sun?   it takes mercury 88 earthdays,earth takes 365 1/4 earthdays,neptune takes 165 earth years.  
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which planets are visbile from earth ?   venus,mars,jupiter,and saturn  
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why don't we have the technology to land on the gaseous planets?   we would sink through the gas and it's too cold  
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the planets revolve around the sun.does the planets move or not? does the sun move or not?   the planets move,but the sun does not  
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