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Definition
| the movement of a fluid material caused by density differences |
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Definition
| the cycle of movement when warm less dense fluids rise and cool and more dense fluids sink due to the differences in temperatures |
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Definition
| a region of earth interior immediately below the lithosphere where mantle rocks are hot enough and under enough pressure to deform, lchange shape and flow |
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Definition
| large parts of the earth's crust that move and shift |
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Definition
| a continous mountian range through the ocean |
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Definition
| a process by which new ocean floor is created in the area where two plates are moving apart |
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Definition
| a valley that is caused as two continential plates diverge |
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Definition
| an area where the edge of one plate moves under another plate |
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Definition
| is the theory that the earths surface is broken into large plates that move |
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Definition
| a boundry where two plates are moving away from each other |
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Definition
| the movement of two plates that are moving toward each other |
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Definition
| a boundry where two plates are moving sideways along each other |
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Definition
| a force that squeezes rocks together pulls them apart and pushes them in different directions |
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Definition
| a stress force that pulls streching rocks so they are thinner |
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Definition
| the stress force that squeezes rock until it folds or breaks |
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Definition
| a stress force that pushes a rock into two opposite directions |
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Definition
| break in the rock of the crust where rock surfaces slip past on another |
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Definition
| fault that is caused by tension |
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Definition
| a fault caused by compression |
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Definition
| a fault caused by shearing |
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Definition
| the point where part of the crust breaks loose and moves suddenly causing an earthquake |
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Term
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Definition
| back and forth motions that carry energy from one place to the ohter |
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Definition
| the point on the surface of earth directly above the focus of the earthquake |
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Definition
| sesmic waves that travel through earth |
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Definition
| sesmic waves that travel along the surface of earth |
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Term
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Definition
| longitudinal sesmic waves that can travel through solids |
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Term
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Definition
| transverse sesmic waves that can only travel through solid and are slower than primary waves |
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Definition
| a line recorded on a peice of paper on by seismicgraph |
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Definition
| a instrument used to detect and record seismic waves |
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Definition
| a meausure of the strength of an earthquake |
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Definition
| a numerical scale used to measure the magnitude of an earthquake |
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Definition
| magnitude recorded exactly when the earthquake happens |
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Definition
| magnitude recorded exactly when the earthquake happens |
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Definition
| a ratio of distance between two points of a representation and the actual difference between those two points |
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Definition
| a scale used to measure earthquake intensity |
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Definition
| a explanation of why and how a specific natural phenomenon occurs |
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