1. STAAR Review – Day 8 Air & Water Currents Weather Plate Tectonics
Topographic Maps
Weathering & Erosion

2. Atmosphere
Weather and air currents, that affect us, occur in the Troposphere.

3. Air Currents – caused by the uneven heating of the air above land and sea.

4. Air Currents at different latitudes.

5. Ocean currents (gyres) – caused by the sun heating/creating movement of water.
Warms and rises at equator and cools and sinks at the poles.

6. Weather maps
Most weather systems start on the West Coast and move to the East Coast.

7. Plate Tectonics
Divergent boundaries – plates pull apart and create mid ocean ridges or rift valleys.

8. Plate Tectonics Convergent Boundary: Plates push Into each other -
Creating
mountains.

9. Plate Tectonics
Transform boundaries – plates slide past each other creating earthquakes and land movement.

10. Topographic Maps This is what a real Topographic map
Looks like. The dark
Lines are the contour
Index lines with
Elevation marked on
Them.

11. Topographic Maps – show 3D elevation in a 2D format.

12. Resource
Slide