click below
click below
Normal Size Small Size show me how
Weather5th
Weather flashcards
| Question | Answer |
|---|---|
| atmosphere | The lowest layer of air that surrounds the Earth. |
| air pressure | The weight of air |
| humidity | The measure of the amount of water in the air |
| precipitation | Any form of water that falls from clouds (rain, hail, snow) |
| evaporation | The process by which liquid changes from liquid to gas |
| condensation | The process by which gas goes back to liquid |
| thermometer | An instrument that measures air temperature |
| barometer | An instrument that measures air pressure |
| rain gauge | An instrument that measures that amount of precipitation |
| water cycle | The process by which the Earth's water moves through the environment |
| ground water | The precipitation that sinks into the ground |
| runoff | The precipitation that runs off the Earth's surface into rivers, lakes, and oceans |
| cumulonimbus clouds | tall and bring thundershowers,sometimes hail |
| front | an area where 2 air masses meet |
| high pressure | where the atmospheric pressure at the surface of the planet is greater than its surrounding environment. |
| low pressure | where the atmospheric pressure at the surface of the planet is less than its surrounding environment. |
| wind | natural movement of the air |
| weathervane | A revolving pointer to show the direction of the wind, typically mounted on top of a building. |
| weather | the state of the atmosphere at a certain time and place |