1. The lithosphere is located beneath the mantle of the earth.

• True
• False

2. The idea that the earth’s crust is made up of moving plates is called the theory of plate tectonics.

• True
• False

3. Hot springs occur in places where water is heated by hot magma.

• True
• False

4. The area around the Pacific Ocean where many volcanoes occur is called the Ring of Fire.

• True
• False

5. Volcanic fog is called smog.

• True
• False

6. occurs when rocks move horizontally past each other

• A. normal fault
• B. strike-slip fault
• C. thrust, or reverse fault

7. occurs when rocks push together, forcing a section of rock upward

• A. normal fault
• B. strike-slip fault
• C. thrust, or reverse fault

8. occurs when rocks move apart, forming a gap

• A. normal fault
• B. strike-slip fault
• C. thrust, or reverse fault

9. What causes an earthquake?

• when molten rock moves under a volcano
• a tsunami
• the buildup and release of energy when two surface plates move or shift against each other
• when large amounts of earth are removed or added

10. What could cause a volcanic eruption?

• weather changes
• a hot spot
• heated magma rising to the surface
• acid rain