Earth Changes Voc. 1
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Lithosphere | Layer of earth made up of crust and the rigid part of the upper mantle.
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| Asthenosphere | Layers in earth's upper mantle that is soft because it is close to melting.
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| Tectonic Plate | One of the large moving pieces of Earth's lithosphere. (Oceanic/Continental.)
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| Continental Drift | Hypothesis that Earth's continents move on earth's surface.
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| Pangaea | Hypothetical super continent that included all the land masses of Earth. broke apart 200 million years ago.
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| Theory of Plate Tectonics | Theory stating earth's lithosphere is broken into huge plates that move and change in size over time.
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| Rift Valley | Deep valley formed as tectonic plates move apart, such as along the mid-ocean ridge.
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| Magnetic Reversal | Switch in the direction of the Earth magnetic field so that magnetic north and south switch.
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| Hot Spot | Area where a column of hot material rises from deep within the mantle and heats the lithosphere,causing volcanic activity.
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| Subduction | When oceanic plate sinks under another plate in a earths mantle.
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
salazaram@gcsnc.us
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