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ch6 vocabulary
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| Question | Answer |
|---|---|
| plate | a large selection of earths crust and rigd upper mantle that moves around on the astheneosphere |
| fault | when rocks break and move along surfaces |
| earthquake | is the vibrations produced by breaking of raock |
| normal fault | when tentionalforces inside the earth cause rocks to be pulled apart |
| reverse fault | when the surface is forced up and over the rock below the fault surface |
| strike slipfault | when rock on either side of the fault are moving past each other without much upward or downward movement |
| wave | rhythmic movement that carries energy through matter and space |
| seismic waves | generated by an earthquake traveled through earth |
| focus | the point were this energy release first occurs |
| primary wave | cause particles in rocks to move... |