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Unit 6: 8.10 A-C
Global Weather Systems
| Term | Definition |
|---|---|
| Solar energy | The primary source of energy for Earth. Emits heat/solar energy, which travels through the atmosphere and heats the surface of the Earth. |
| Weather | The day-to-day conditions of the atmosphere in a specific place at a specific time. What we experience daily (Example: sunny, rainy, cloudy) |
| Temperature | How hot or cold it is |
| Humidity | How moist the air is |
| Precipitation | Rain, snow, sleet, or hail |
| Wind | How fast and from which direction air is moving |
| Cloud cover | the amount and type of clouds in the sky helps to moderate temperatures |
| Climate | The general pattern of weather conditions over several years (Examples: desert climate, polar climate, temperate climate) |
| Atmosphere | A layer of gases surrounding Earth Primarily composed of nitrogen, oxygen, and trace amounts of other gases. Helps transport water around the globe. |
| Hydrosphere | Composed of all of the Earth's water in the ground, on the surface, and in the air (Examples: oceans, rivers, lakes) Covers about 71% of the Earth's surface |
| Water Cycle | The process in which solar energy, the hydrosphere, and the atmosphere interact with each other. The sun provides the energy needed to drive the process. |
| Evaporation | The process in which solar energy heats water from the hydrosphere causing it to turn into water vapor and rise. Help's cool Earth's surface and add moisture to the air which affects weather systems. |
| Condensation | The process in which water vapor that has risen into the atmosphere cools down and helps to form clouds. Releases heat into the atmosphere. |
| Precipitation | Water vapor in clouds that condenses into larger water droplets or ice crystals that fall back to Earth when they become too heavy. (Examples: Rain, snow, sleet, hail) |
| Low Pressure | An area where warm air rises Disturbed weather and potential for storms |
| High Pressure | An area that warm air rises to and eventually cools Fair and stable weather conditions |
| Air Pressure | The weight of air molecules pressing down on Earth due to gravity |
| Convection | Process where warm air/liquids rise while cool air/liquids sink in a continuous cycle. |
| Sea Breeze | Gentle winds that flow from the cool air over the water toward the warm air over the land |
| Land Breeze | Gentle winds that flow from the cool air above land toward the warmer air above the water |
Created by:
kmondragon
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