Earth and Space Science

5. water located below Earth's surface
6. melted rock that is located on Earth's surface
8. an area of land drained by a river system
11. the moving pieces of Earth's crust
12. able to be naturally broken down into harmless substances
13. the folding of rock upward due to stress between converging plates
17. a small stream that flows into a larger stream
18. a rock or sediment layer that holds water and allows water to flow through it
19. moving air
20. a naturally occuring substance that is made of one or more minerals

1. the shapes of the Moon as seen from the Earth
2. the process during which water loses heat energy and changes from a gas to a liquid
3. the shaking of Earth's surface that occurs when energy stored as pressure in rocks is released quickly
4. a break, or crack, in Earth's surface along which movement has occurred
5. a mass of ice and snow that moves slowly over Earth's surface
7. small pieces weathered rock
9. an instrument used to measure air pressure
10. rock the rock that forms from layers of sediment are compacted and cemented together
14. a large, flowing stream of water that is fed by other, smaller streams
15. a low area of land where surface water accumulates
16. the rapid movement of sediment downhill