Chapter 15 (8th Grade)

Which waves travel the deepest into the center of earth?

• P Waves

• S Waves

• Surface Waves

• All answers

When the force on rocks is great enough, they break, producing vibrations called

• faults

• earthquakes

• strains

• stresses

The point in Earth's interior where the energy release of an earthquake occurs is the

• fault outer core

• main

• focus

• inner core

Best place to avoid earthquakes?

• Great Lakes Region

• California

Where can volcanoes form?

• Convergent plate boundaries

• divergent plate boundaries

• over hotsports in the middle of plates

• all answers are correct.

A normal fault occurs where forces pull two blocks of rock apart. At which kind of plate boundary does this occur and why?

• Divergent- This is wehre plates are movng apart.

• Convergent- This is where plates are coming closer together

"We all got scared and ran outside. The house was ok, but our old shed fell over" This quote would help a researcher to place an earthquake on which scale?

• Richter

• Spring

• Modified Mercalli

• Hospital

A ______ often forms a mountain when layers of lava and volcanic ash erupt and build up.

• mountain

• Volcano

• dike

• Caldera

There is no relationship between plate tectonics and volcanoes

• True

• False

Volcanoes can form on the ocean floor

• True

• False