Term
| continental drift, 8.10.1 |
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Definition
| ______ is a hypothesis proposed by Alfred Wegener that states that continents have moved slowly to their current locations on Earth. |
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Term
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Definition
| ______ is athe single large landmass made up of all the continents connected together that croke apart about 200 million years ago. |
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Term
| seafloor spreading, 8.10.2 |
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Definition
| ______ is the theory that magma from below Earth's crust is forced upward toward the surface at a mid-ocean ridge, flows from the cras as the seafloor spreads apart and becomes solid as it cools forming new sea floor |
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Term
| Iron Bearing minerals, 8.10.2 |
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Definition
| ______ retain their magnetic charge, proving it has been reversed several times through out existance. |
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Term
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Definition
| ______ are much older along the coast as opposed to the middle of oceans proving that they have gradually moved away from the center. |
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Term
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Definition
| ______ is the theory that Earth's crust and upper mantle are broken into sections that move around on a plasticlike layer of the mantle. |
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Term
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Definition
| ______ are sections of Earth's lithosphere that are composed of oceanic crust, continental crust, and rigid upper mantle and that move around on a plasticlike layer of the mantle. |
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Term
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Definition
| ______ is the rigid, outer most layer of Earth that is about 100 km thick, and is composed of the crust and part of the upper mantle. |
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Term
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Definition
| ______ is the plasticlike layer below the lithosphere. |
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Term
| convection current, 8.10.3 |
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Definition
| ______ is the cycle of heating, rising, cooling, and sinking that is thought to be the force behind plate tectonics. |
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Term
| divergent boundary, 8.10.3 |
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Definition
| ______ is the boundary between two plates that are moving apart. |
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Term
| convergent boundary, 8.10.3 |
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Definition
| ______ is where two plates collide. |
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Term
| transform boundary, 8.10.3 |
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Definition
| ______ occur when two plates slide past one another. |
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Term
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Definition
| ______ occurs when a divergence causes a separation in Earth's crust, and rift valley can form. |
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Term
| stike-slip faults, 8.10.3 |
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Definition
| ______ occur along transform boundaries and generally causing earthquakes. |
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