Science 3, Unit 2 Review

2. The weather over a long time is called this.
5. This planet is sometimes called the Red Planet.
6. This is a word for a small planet.
7. Eight planets and the sun together, make the ______.
10. This planet is the biggest.
12. This line runs around the middle of the earth. In this area, it is usually very hot.
13. This means "to break apart".
15. This means to wash away (by the water), or to blow away (by the wind).
16. In this climate zone, the weather is hot in summer and cold in winter.
19. Rock made from built-up sediment.
20. This word means very very big.
22. Salt is a _____. So is chalk.

1. When there is water everywhere, in the street or even in your house!
3. This planet is the only one that spins on its side.
4. If it rains a lot on a mountain, the soil and rocks may fall down the mountain.
8. This word is used to describe if something is shiny or dull.
9. In this climate zone, the weather is hot in summer and warm in winter.
11. Saturn has one of these.
14. This is how we measure how high a mountain is.
17. In this climate zone, the weather is usually always cold.
18. When a mineral is rubbed against another object, it may leave a ______.
21. There are eight of them, but at one time there were nine.