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Science Vocabulary :
Terms and Definitions
Question | Answer |
---|---|
point on Earth's surface directly above an earthquake's force | EPICENTER |
Fracture that occurs when rocks break and that results in relative movement of opposing sides; can form as a result of compression(reverse fault), being pulled apart(normal fault), or shear(strike- slip fault) | FAULT |
Point deep inside Earth where energy is released, causing an earthquake | FOCUS |
Molten rocks flowing onto Earth's surface | LAVA |
Rigid layer of Earth about 100km thick made of the crust and a part of the upper mantle | LITHOSPHERE |
A measure of the energy released by an earthquake | MAGNITUDE |
Long crack, fissure, or trough that forms between techonis plates moving apart at plate boundaries. | RIFT |
Describe the ability of strucuture to stand up against the vibration caused by an earthquake. | SEISMIC SAFE |
Earthquake waves, including primary waves, secondary waves, and surface waves | SEISMIC WAVES |
SURFACE WAVES | |
An instrument used to record seismic waves. | SEISMOGRAPH |
Powerful seismic sea wave that begins over an ocean- floor | TSUNAMI |
It is formed when hot magma, solids, and gas erupt onto Earth's surface through a vent. | VOLCANOES |
PYROCLASTIC FLOW | |
RICHTER SCALE |