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Weather Words 1-30
5th Grade Science Vocabualry
| Term | Definition |
|---|---|
| air mass | a large body of air that has the same temperature and level of humidity throughout |
| air pressure | the weight of the air in an area |
| altitude | elevation especially above sea level or above the Earth's surface. |
| atmosphere | a blanket of gases that surrounds the Earth |
| barometer | weather instrument used to measure air pressure |
| cirrus | clouds of high altitude, curly, wispy, and made of ice crystals |
| climate | the average weather conditions of an area over a very long period of time |
| cloud | a collection of millions of tiny water droplets or ice crystals |
| condensation | the changing of a substance from a gas to the liquid state |
| cumulus | clouds of middle altitude, large puffy, and sometimes creative shapes |
| evaporation | the change of phase from liquid water into a gas (water vapor) |
| humidity | the amount of water in the air |
| land breeze | the movement of air created by cool air over the land moving toward the ocean |
| meteorologist | a scientist who studies weather |
| mountain breeze | the movement of air caused by cool air sinking and moving down the slope of a mountain |
| occluded front | the area in which a warm air mass is caught between two cold air masses |
| polar zone | characterized by a frigid climate with harsh winter temperatures , located near the Earth's polar regions |
| precipitation | any form of water that falls from the sky |
| psychrometer | weather instrument used to measure the amount of moisture or humidity in the air |
| run-off | rain that lands on top of a mountain, travels down to lower ground and joins larger bodies of water |
| sea breeze | the movement of air caused by cool air over the ocean moving toward the land |
| stationary front | The area in which a warm air mass and a cold air mass meet. Neither have the energy to move one another. |
| stratus | clouds of low altitude, they're thin and stretch out across the sky, and block out sunlight ex. fog |
| temperate zone | characterized by a seasonal climate, wide range of temperatures, hot and cold |
| temperature | the measurement of heat in a substance |
| Tropical Zone | characterized by a hot climate, and is located near the equator |
| troposphere | layer of the atmosphere closest to the earth, all weather happens here |
| valley breeze | the movement of air created by the warm air rising and flowing up the slope of a mountain |
| water cycle | the movement of water on Earth that moves between the air, the land, and the oceans |
| weather | the state of the atmosphere at a certain time and place |