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Do a crossword and see 3-D pictures of Earth from space!
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Dr. Marc answers questions about Earth & Moon
Maybe you've wondered too!
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Building a 3-D Map of Earth from Space!
And in only 10 days!
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View large images or print them.
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Play "Missions to Planet Earth"!
Beat the computer by launching three Earth missions first.
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Help Earth "un-trap" un-needed heat.
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Trap the good ozone and zap the bad.
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Pilot your research blimp through wild weather around the world.
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So many possibilities. How to choose?
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Adaptable for grades 4-8, some for grades 9-12.
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Glossary for "Sign Here!" words
Defines words in "Sign Here" game.
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Launch a rocket from a spinning planet
Wind up that launch pad!
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