Name of Earth Mission Expert ________________________________

Directions:  Find answers for the following questions on the websites accessed.

1. Seventy percent of the Earth's surface is covered by __________________

2. What cover the remaining 30 percent?

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3. What two gases make up the Earth's atmosphere?

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4. How long does it take the Earth to orbit the Sun?   ________________

    How long does it take the Earth to turn all the way around? ______________

5. The Earth is the ____________ major body in the solar system.   This means that it's the

most "compact" of all the planets.

6. Why are picture of the Earth taken from space important?

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7.Name the two gases that make up the Earth's atmoshere?

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8. Describe the thickness of the Earth's crust?

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9. Of what is the Earth mostly made? ________________