do now 11/26/12 1. earthquakes: what is the point on the earth’s surface directly above an...

DO NOW 11/26/12DO NOW 11/26/121.1. Earthquakes: What is the point on the Earth’s Earthquakes: What is the point on the Earth’s

surface directly above an earthquakes starting surface directly above an earthquakes starting point?point?

2.2. Alternative Energy: What is the energy source Alternative Energy: What is the energy source that uses falling water?that uses falling water?

3.3. Earth’s Layers: What is the layer of the mantle Earth’s Layers: What is the layer of the mantle which is semi-plastic that allows tectonic plate which is semi-plastic that allows tectonic plate movement?movement?

4.4. Oceans - Topography: What is a pointy extinct Oceans - Topography: What is a pointy extinct volcano?volcano?

Earthquakes Key Earthquakes Key QuestionsQuestions

1.1. What is seismology?What is seismology?2.2. What is a seismologist?What is a seismologist?3.3. What is a seismograph?What is a seismograph?4.4. What is a seismogram?What is a seismogram?5.5. What is the Richter Scale?What is the Richter Scale?6.6. How are seismic waves affected by the Moho?How are seismic waves affected by the Moho?

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

2) What is a seismologist?2) What is a seismologist?

A scientist that studies earthquakes.A scientist that studies earthquakes.

3) What is a seismograph?3) What is a seismograph?

An instrument located at or near An instrument located at or near Earth’s surface that records seismic Earth’s surface that records seismic waveswaves

4) What is a seismogram?4) What is a seismogram?

A tracing of earthquake motion A tracing of earthquake motion created by a seismograph.created by a seismograph.

5) What is the Richter 5) What is the Richter Scale?Scale?

A scale used to measure an A scale used to measure an earthquake’s strength.earthquake’s strength.

6) How are seismic waves 6) How are seismic waves affected by the Moho?affected by the Moho?

They increase in speed.They increase in speed.

Words for Crossword Puzzle Words for Crossword Puzzle pg 196-pg 196-213213

Seismic waves S wavesSeismic waves S waves

P waves elastic reboundP waves elastic rebound

Seismology *shadow zoneSeismology *shadow zone

Focus epicenterFocus epicenter

Fault mohoFault moho

Seismograph *gap hypothesisSeismograph *gap hypothesis

Seismogram *seismic gapSeismogram *seismic gap

*deformation*deformation