Plate Tectonics

What Are the Two Types of Crust?

• Continental Only

• Oceanic Only

• Continental and Oceanic

• Neither Continental nor Oceanic

What two layers of the Earth form the Lithosphere?

• Outer Core and Crust

• Inner Core and Mantle

• Inner Core and Outer Core

• Crust and Upper Mantle

What is the Continental Crust Mostly Composed of?

What is the Oceanic Crust Mostly Composed of?

Ultramafic silicates close to their Melting Point

What is the Outer Core composed of?

What two elements form the Inner Core?

What Scientist Proposed the Theory of Continental Drift (1915)

• Albert Einstein

• Alfred Wegener

• Stephen Hawking

• Nicolas Tesla

All of the Following are Evidence of Continental Drift except:

• Earthquakes

• Fit of Continents

• Fossils of Plants and Animals

• Rocks matching up on separated continents

• Glacial Grooves going "The wrong Way"

Plates Moving Away from Each other

Oceanic Crust Formed

Extensional Crustal Stresses

• Transform Boundary

• Convergent Boundary

• Divergent Boundary