Wednesday, May 20, 2009

Thursday Quiz! The Terrestrial Planets

Name_________________

Class Period ___________

Part A. Directions: Read the Description and write the name of the planet in the blank. Your choices are Mercury, Venus, Earth, Mars.

1. This Planet is called the Red Planet because it has iron-rich soil.

______________________________

2. This planet spins backwards on its axis because it was hit by a large asteroid a long time ago. _____________________________

3. This planet has a thin atmosphere that is made of oxygen and sodium. __________________________

4. This planet has the hottest surface temperature even though it is the second planet from the sun. The temperature on the ground is so hot it can melt lead. __________________

5. This planet’s atmosphere is made of 20% oxygen and 76% nitrogen. __________________________

6. This planet has very thick clouds made of sulfuric acid. _____________________________________

7. Two planets have polar ice caps. Which two are they? _____________________________________________________

8. This is the only planet other than Earth that may have once had water. Which planet is it? _______________________

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