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Geo 1
Cheaper 1
| Question | Answer |
|---|---|
| Over 250 million years ago all the continents were connected that was known as | Pangea |
| Over time the continents broke apart and moved what was it called. | convection currents |
| The earths plates float on what? | semi-molten magma |
| As a result plates ____, _______or______ ____ one another. | separate, collide and slide past one another . |
| the structure of the earth? e.g name the parts of it. | crust, mantel , outer core, inner core |
| what happens when plates collide | the crust is destroyed. the heavier oceanic plate is forced under the lighter continental plate and down into the hot molten below. |
| what happens when plates separate | magma wells up to fill the space between, the magma cools and becomes solid. |
| what happens when pates slide past | their edges sometimes become locked and the edges of the plate may snap or jolt forward |
| explain convection currents | As magma rises , it then begins to cool. as a result the magma gets heavier and sinks back to the core. this repeats . these cause the plates to move very slowly. |
| Name the different types and places where plates are. | slide past -N-American plate and Pacific plate . separate -S- American plate and African plate . Collide Eurasian plate-Pacific plate . |
Created by:
HRC20
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