Unit 4 Layers of the Earth
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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| Inner core | Ball of hot, solid metal at Earth’s center
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| Inner core | Very high pressure causes it to be solid
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| Outer core | Layer of liquid metal surrounding the inner core
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| Outer core | Less pressure and lower temperature than inner core
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| Mantle | Thickest layer of Earth made up of hot rock; less dense than core
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| Mantle | Uppermost part of mantle is cool and rigid. Just below that, the rock is hot and soft enough to move like a thick paste.
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| Crust | Thin layer of cool rock that surrounds Earth like an eggshell; 2 types
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| Continental crust | Includes all continents (less dense; mostly composed of granite)
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| Oceanic crust | Includes all the ocean floors(more dense; mostly composed of basalt)
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| Lithosphere | Made up of the crust and the cool, rigid part of the upper mantle.
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| Lithosphere | It is broken into tectonic plates and sits on top of the asthenosphere
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| Asthenosphere | Layer of hotter, softer rock in Earth’s upper mantle; flows like tar
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| Relative position | The location of something in comparison to its surroundings
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| Composition | The makeup of a substance; the composition of carbon dioxide (CO2) is one carbon atom and 2 oxygen atoms
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| Density | The amount of “stuff” present (mass) in a certain amount of space (volume)
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| Density | Mass/Volume
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| Convection currents | Hotter, less dense rock rises. Cooler, denser rock sinks back down, only to be heated and rise again
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| Convection | heat transfer by the movement of fluids
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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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