Term
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Definition
-1914
-proposed hypothesis of continental drift
-Pangaea started started to break up 250 million years ago |
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Term
| evidence in support of Continental drift |
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Definition
-jigsaw puzzle
-fossils
-rocks
-climatic |
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Term
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Definition
| fossils of the same plants ad animals have been found at a place where continents appear to have split |
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Term
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Definition
| mountain ranges that end at the coast line of one continent and and continue at the coastline of another |
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Term
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Definition
| debris left by glaciers in South America and Africa are similar |
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Term
| wegener proposed that the continents... |
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Definition
| just moved by themselves without any other force |
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Term
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Definition
ridge outer part of earth consisting if crust and upper mantle
floats on the atmosphere
mantle rock that moves very slowly |
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Term
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Definition
| oceanic lithosphere and continental lithosphere |
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Term
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Definition
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Term
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Definition
a mountain in the middle of the ocean
long undersea mountain range
steep narrow valley at center |
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Term
| 3 types of plate boundaries |
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Definition
divergent
convergent
transform |
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Term
| what are results of plate boundaries interacting |
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Definition
| earthquakes, volcanic activity, mountain building, ocean trench building |
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Term
| _____-______ cm is the typical plate movement per year |
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Definition
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Term
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Definition
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Term
| continental collisions result in ____ _____ |
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Definition
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Term
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Definition
| 1 part gets pushed down underneath by the other because of differences in density |
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Term
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Definition
| plates slide and grind against each other, creating earthquakes, then pass each other |
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Term
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Definition
| plates slide apart from each other, magma is created |
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Term
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Definition
| lithosphere sliding across the asthenosphere and convection currents are underneath |
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