Plate tectonics and Seismic Waves

What kind of plate boundary occurs where two tectonic plates collide?

• Divergent

• Convergent

• Transform

• Reverse

Where do mid-ocean ridges occur?

• at divergent boundaries

• below the lithosphere

• at convergent boundaries

• at transform boundaries

Where does the San Andreas Fault occur?

• at a divergent boundary

• in a rift

• at a convergent boundary

• at a transform boundary

Where does seafloor spreading occur?

• at convergent boundaries

• at hot spots

• at subduction zones

• at divergent boundaries

Which of the following are NOT a characteristic of P-waves?

• They are faster than S-saves.

• They pass through liquids and solids.

• They are slower than S-waves.

• They cause the ground to go up and down.

What is the focus?

• Center of the earth.

• Surface of the earth where the wave starts.

• Location where an earthquake's seismic's waves begin.

• The end of the seismic wave.

Where is the epicenter?

• Where the earthquake begins underground.

• Center of the earth.

• Seismic waves

• Place on the ground surface, directly above the focus.

What is the major process of surface rock formation on volcanoes?

• Rock if formed from deposited sediment.

• Rock is recrystallized by extreme pressure.

• Rock cools quickly from melted rock.

• Rock solidifies slowly deep underground.

Which would NOT produce strong earthquakes?

• at transform plate boundaries

• where two continental plates collide

• at subduction zones at convergent plate boundaries

• at divergent plate boundaries

Why is it possible that the Hawaiian islands may increase in size in the future?

• they wont increase

• they'll decrease

• plate tectonics cause more volcanic islands

• divergent boundaries cause sea floor spreading