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Lawson Weather Unit
| Term | Definition |
|---|---|
| Atmosphere | The layer that surrounds the planet and makes the earth suitable for living. |
| Cirrus Clouds | Signal fair weather. Usually high and wispy. |
| Condensation | When a gas (water vapor) changes to a liquid (water droplets) |
| Cumulonimbus Clouds | Dark clouds that may signal thunder storms. Also known as thunderheads |
| Cumulus Clouds | Puffy white clouds with flat bottoms |
| Deforestation | Increase the amount of carbon dioxide released in the air. |
| Evaporation | When a liquid (water) changes to a gas (water vapor). |
| Exosphere: | The cold regions of outer space extend from this layer. |
| Global Warming | This is an increase in the average temperature of the earth and it becomes hotter |
| Green house Effect | The earth's gases get trapped in the atmosphere. |
| Ground Water | Water that soaks into the ground |
| Mesosphere: | The coldest layer. Where meteor showers occur. |
| Precipitation | Water droplets fall in various forms of precipitation - rain, snow, freezing rain, sleet, or hail, depending upon weather conditions. |
| Stratosphere: | Where the ozone layer is contained |
| Stratus Clouds | Spread over a large area and are layered. As they thicken, long periods of precipitation can occur. |
| Surface water flow | Water that flows into oceans, lakes, rivers or ponds |
| Thermosphere | The warmest layer. The air is very thin in this layer. |
| Transpiration | When water vapor is released through leaves. |
| Troposphere: | Weather and clouds occur in this layer |
| Water Cycle | When water is always moving between the atmosphere |
| Meteorologist | They analyze and interpret data to predict the weather. |
| Weather Vane | Measures wind direction |
| Anemometer | Measures wind speed |
| Barometer | Measures air pressure |
| Sling Psychrometer | This tool measures humitidy |
| Humidity | The amount of water vapor in the air |
| Weather Map | Can help predict weather patterns by indicating air pressure, air masses, fronts and temperature ranges. |
| Satellites | Images are used for seeing cloud patterns and movements. |
| Thermometer | Measures temperatures |
| Radar | Images are used to detect cloud cover, rainfall, storm locations , intensity, and cloud movement |