Unit 7 exam

A force caused the continents to drift apart over time. Once scientists figured out what that force was, the theory of plate tectonics was born! The image above shows what Geologists think the Earth looked like millions of years ago. What name was given to this land mass.

• Plate Tectonics

• Oceana

• Pangea

• North America

This is when two plates converge but one slides under the other due to density.

• Uplift
• Subduction
• Trench
• None of the above

The San Andreas Fault in California is known as an active earthquake area. What type of boundary is it?

• Converging

• Transform

• Diverging

The ______ is the layer of the Earth under the crust.

• core
• mantle
• magma
• none of the above

This type of plate boundary is when two plates crash into each other.

• Convergent
• Transform
• Divergent
• Subductive

This type of plate boundary is when two plates move apart.

• Convergent
• Transform
• Divergent
• Subductive

Which layer is the thickest?

• Crust

• Mantle

• Outer Core

• Inner Core

Which layer is liquid?

• crust

• mantle

• outer core

• inner core

Temperature _____________________ as you go deeper into the earth.

• increases
• decreases
• goes up and down depending on the layer
• stays the same

Pressure ______________________ as you go deeper into the Earth

• increases
• decreases 
• goes up or down depending on the layer
• stays the same