Science Vocabulary

2. the change from gas to liquid as a result of cooling
4. a scientist who studies weather, climate, and Earth's atmosphere
5. a clear piece of curved glass that bends passing light
7. the outside atmospheric conditions
10. an area where the atmospheric pressure is greater than the surrounding areas
11. the bending of light rays as they pass from one medium to another
12. water from rain or melted snow that flows along Earth's surface into bodies of water
13. the leading edge of a warmer air mass
14. the leading edge of a cooler air mass
16. light energy that bounces off a surface
18. any form of water falling from the clouds to Earth
20. the process by which a liquid changes to a gas

1. the movement of water through Earth's environment
2. the pattern of weather conditions in a region over a period of many years
3. an area where the atmospheric pressure is lower than the surrounding areas
6. a weather front in which the line between a cold front and warm front is immobile
8. water that percolates, or drains, through soil and rocks and collects in underground reservoirs
9. a substance through which energy or waves travel
15. the release of water vapor by plants
17. to allow light to pass through
19. to soak up or take in