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19 Cards in this Set
- Front
- Back
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Solar Energy
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energy from the sun.
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Rotation
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one complete spin of Earth on its axis.
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Revolution
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trip around the sun.
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Latitude
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distance north or south of Earth's equator.
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Tropics
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regions close to the equator.
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Freshwater
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water without salt.
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Glaciers
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large areas of slow-moving ice.
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Surface Water
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water that is found in Earth's streams,rivers,and lakes.
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Precipitation
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water that falls to Earth's surface as rain,snow,sleet,or hail.
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Groundwater
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water found below Earth's surface.
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Water Vapor
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water that occurs in the air as an invisible gas.
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Water Cycle
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movement of water from Earth's surface to the atmosphere and back.
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Landforms
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shapes on the planet's surface.
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Continents
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large landmasses.
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Plate Tectonics
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theory suggests that Earth's surface is divided into a dozen or so slow-moving plates,or pieces of Earth's crust.
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Lava
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magma that reaches Earth's surface.
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Earthquakes
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sudden,violent movements of Earth's crust.
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Weathering
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process by which rock is broken down into smaller pieces.
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Erosion
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movement of sediment from one location to another.
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