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STAAR Review – Day 8 Air & Water Currents Weather Plate Tectonics
Topographic Maps Weathering & Erosion
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Atmosphere Weather and air currents, that affect us, occur in the Troposphere.
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Air Currents – caused by the uneven heating of the air above land and sea.
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Air Currents at different latitudes.
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Ocean currents (gyres) – caused by the sun heating/creating movement of water.
Warms and rises at equator and cools and sinks at the poles.
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Weather maps Most weather systems start on the West Coast and move to the East Coast.
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Plate Tectonics Divergent boundaries – plates pull apart and create mid ocean ridges or rift valleys.
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Plate Tectonics Convergent Boundary: Plates push Into each other -
Creating mountains.
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Plate Tectonics Transform boundaries – plates slide past each other creating earthquakes and land movement.
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Topographic Maps This is what a real Topographic map
Looks like. The dark Lines are the contour Index lines with Elevation marked on Them.
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Topographic Maps – show 3D elevation in a 2D format.
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Resource Slide
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