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Casteel 4.6 and 4.7
Weather and Space
| Term | Definition |
|---|---|
| temperature | the measure of the amount of heat energy in the atmosphere |
| air pressure | the weight of the air, which is determined by several factors including the temperature |
| wind speed | how fast the wind is blowing |
| precipitation | the amount of water that falls from the sky |
| wind direction | the direction in which the wind blows |
| humidity | the amount of moisture in the air |
| thermometer | measures temperature |
| barometer | measures air pressure |
| anemometer | measure wind speed |
| hygrometer | measures the humidity in the air |
| weather front | the boundary between air masses of different temperature and humidity |
| high pressure | fair weather and light winds |
| low pressure | cloudy/rainy with strong winds |
| cirrus | feathery clouds usually associated with fair weather, but often indicates rain or snowfall in several hours |
| stratus | gray, smooth clouds that cover the whole sky and block all sunlight; light rain and drizzle usually occur |
| cumulus | white, fluffy clouds with a flat bottom usually indicating fair weather |
| cumulonimbus | dark, tall billowing cloud that produces rain and thunderstorms |
| thunderstorm | a common storm with thunder, lightning, and rain |
| tornado | a violent wind storm with a rotating column |
| rotation | a spinning motion; it takes the Earth 24 hours to do this |
| revolution | an object moving in a circular motion around another object |
| seasons | We have _______________ because the Earth is tilted and because it revolves around the sun. |
| warmer | We have _________________ temperatures when our continent is facing and closest to the sun. |
| Aristotle | _____________ and Ptolemy believed the Earth was the center of the universe. |
| Copernicus | Galileo and ______________ believed that the sun was the center of the universe. |
| order of planets from sun | My Very Excellent Mother Just Served Us Nachos. |
| order of planets big to small | Just Sing Until Noon, Every Voice Makes Music. |