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7th Gr. Voc 14-28
Weeks 4-6
| Question | Answer |
|---|---|
| ozone | colorless, odorless reactive gas comprised of three oxygen atoms |
| ultraviolet radiation (UV) | a type of energy that comes to Earth from the Sun, can damage skin and cause cancer, and is mostly absorbed by the ozone layer |
| hydrosphere | all the waters of Earth |
| condensation | process in which water vapor changes to a liquid |
| precipitation | water falling from clouds - including rain, snow, sleet, and hail - whose form is determined by air temperature |
| chlorofluorocarbon (CFCs) | group of chemical compounds used in refrigerators, air conditioners, foam packaging, and aerosol sprays, that may enter the atmosphere and destroy ozone. |
| radiation | energy transferred by waves or rays |
| conduction | transfer of energy that occurs when molecules bump into each other |
| convection | transfer of heat by the flow of material |
| evaporation | the process of becoming a vapor |
| jet stream | narrow belt of strong winds that blows near the top of the troposphere |
| sea breeze | movement of air from sea to land during the day when cooler air above the water moves over the land, forcing heated, less dense air above the land to rise |
| land breeze | movement of air from land to sea at night, created when cooler, denser air from the land forces up warmer air over the sea |
| humidity | amount of water vapor held in the air |
| relative humidity | measure of the amount of moisture held in the air compared with the amount it can hold at a given temperature; can range from 0 to 100 percent |
Created by:
karen_lindley
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