1. DO NOW 11/26/12 1. Earthquakes: What is the point on the Earth’s surface directly above an earthquakes starting point? 2. Alternative Energy: What is the energy source that uses falling water? 3. Earth’s Layers: What is the layer of the mantle which is semi-plastic that allows tectonic plate movement? 4. Oceans - Topography: What is a pointy extinct volcano?

2. Earthquakes Key Questions 1. What is seismology? 2. What is a seismologist? 3. What is a seismograph? 4. What is a seismogram? 5. What is the Richter Scale? 6. How are seismic waves affected by the Moho?

3. 1) What is seismology? The study of earthquakes. The study of earthquakes.

4. 2) What is a seismologist? A scientist that studies earthquakes. A scientist that studies earthquakes.

5. 3) What is a seismograph? An instrument located at or near Earth’s surface that records seismic waves An instrument located at or near Earth’s surface that records seismic waves

6. 4) What is a seismogram? A tracing of earthquake motion created by a seismograph. A tracing of earthquake motion created by a seismograph.

7. 5) What is the Richter Scale? A scale used to measure an earthquake’s strength. A scale used to measure an earthquake’s strength.

8. 6) How are seismic waves affected by the Moho? They increase in speed. They increase in speed.

9. Words for Crossword Puzzle pg 196-213 Seismic waves S waves P waves elastic rebound Seismology *shadow zone Focus epicenter Fault moho Seismograph *gap hypothesis Seismogram *seismic gap *deformation