Weather and Climate

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Tropical

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Warm, moist climate zone near the equator.

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Water Cycle

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The continual movement of water among Earth's atmosphere, oceans, and land surface through evaporation, condensation, and precipitation.

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Warm Front

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Warmer air; light and steady precipitation; moves southwest to northeast.

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Climate

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The long-term average of weather conditions in a particular area.

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Weather

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The short-term atmospheric conditions in a specific place at a specific time.

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Precipitation

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Any form of water that falls from clouds and reaches Earth's surface.

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Evaporation

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The process by which water molecules in liquid water escape into the air as water vapor.

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Condensation

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The process by which water vapor in the air cools and changes back into liquid water.

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Humidity

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The amount of water vapor present in the air.

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Atmosphere

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The layer of gases surrounding Earth, essential for weather and climate.