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9 Cards in this Set
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Continental drift |
Alfred Wagner came up with it. He said all the continents were once attached but drifted apart. People didn't believe this because they thought land bridges were real, he wasn't a geologist and they couldn't feel movements. But land bridges were not real. We can prove continental drift by the same fossils and rock types being in the same place and all the continents fit together like a puzzle. |
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Order of planets |
Mercury Venus Earth Mars Jupiter Saturn Uranus |
My very educated mother just served us noodles |
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Mercury |
Mainly made of iron. 75% of the core makes up this planet |
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Venus |
Similar to earth. Made up of 96% carbon dioxide 3% nitrogen Other gases |
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Earth |
Mantle is made of rocks. Crust is oxygen and many other materials |
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Mars |
Dust covers mars' crust. Beneath this is volcanic basalt rock. |
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Jupiter |
This planet is made from mostly hydrogen and helium. The mantle contains some rock and metallic hydrogen. |
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Saturn |
Isn't as solid as earth. Made up of 94% hydrogen 6% helium |
Why is it know as the gas planet? |
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Uranus |
Is 14.5 times heavier than earth. Like Jupiter and Saturn, it's mostly hydrogen. |
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