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Vocab Test 10/6
| Term | Definition |
|---|---|
| Atmosphere | thin blanket of gases that surrounds the Earth |
| Air Pressure | weight of the air above you |
| Air | mixture of nitrogen, oxygen, water vapor, dust and other gases |
| Nitrogen | makes up 78% of the atmosphere |
| Oxygen | makes up 21% of the atmosphere |
| Evaporation | water change from a liquid to a gas through heating |
| Condensation | water changes from a gas to a liquid through cooling |
| Precipitation | water falling to the earth in the form of rain, sleet, snow, or hail |
| Sun | provides the energy needed for the water cycle |
| Water Cycle | process by which water moves through the atmosphere |
| Conduction | movement of heat through direct contact (touching) |
| Radiation | movement of heat through space and air through electromagnetic waves |
| Convection | movement of heat because of the movement of a fluid |
| Air Mass | large body or air with similar temperature and moisture content |
| Front | boundary (line) between two air masses |