By: Gracen Long Period:6
The Three Layers of the Earth
-Crust: The outermost layer of the Earth on which we live
-Mantle: The middle layer takes up most of the earth. Mostly made of magma and hot rock.
-Core: The core is made up of liquid metals, and is the innermost layer.
Sea Floor Spreading
-Transform: Grind together. Causes Earthquakes
-Divergent: Pull apart. Cause Rifts, valleys, and volcanic activity.
-Convergent: Push together. Create mountains.
-Convergent Subduction: One plate goes down and the other goes up. Causes volcanic mountains, and trenches.