1. A Changing Earth
Unit 1

2. Earth’s Internal Forces
Tectonic Plate Movement
Earthquakes
Volcanoes

3. Earth’s External Forces
Mechanical Weathering
Chemical Weathering
Erosion

4. Earth’s Layers

5. Earth’s Layers Atmosphere Crust Mantle Outer Core Inner Core
Layer of gases including the oxygen we need to breath.
Crust
Most thin layer and contains the ocean floor and the continents.
Mantle
1,330 miles think of how jelly like liquid- magma
Outer Core
Made of hot liquid metals
Inner Core
Hot, solid ball of iron and nickel. The temperature can be up to 12,000℉

6. Tectonic Plate Movement

7. Divergent Plate Movement

8. Convergent Plate Movement

9. Transform Plate Movement

10. Tectonic Plates