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Exam
Science
| Question | Answer |
|---|---|
| What Are the fastest Body Waves | P waves |
| How do Religh Waves cause the ground to move? | in an elliptical, rolling motion |
| What should you do if you are indoors during an earthquake? | stay away from windows |
| Where does the first motion of an earthquake occur? | the Focus |
| How do scientist find the epicenter of an earthquake using a seismagraph? | by comparing arrival times of P waves and S waves at several seismograph stations |
| What do scientist study in their efforts to forcast earthquakes | seismic gaps, foreshocks, rock changes |
| What is the epicenter of an earthquake? | the point on Earth's surface directly above the eathquakes focus |
| What happens when the temperature of a rock rises above the melting point of the mineral it is composed of? | the rock melts |
| What may signal an volcanic eruption? | 1) A change in Earthquake activity 2) bulging of volcano surface 3) A CHANGE in the amount and composintinal of a volcano. |
| What is Felsic? | Magma or igneous rock that is rich in feldspar and silica is generly light in color. |