8th Science U7 L1
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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| Hypothesis that a single large landmass broke up into smaller land masses to form new continents,which then drafted to the present location; the movement of continents | continental drift
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| The process by which Earth's magnetic north pole and magnetic south pole switch positions periodically; a change in the direction in which Earth's magnetic field points | magnetic reversals
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| The theory that Earth's outer layer is made up of large, moving pieces called tonic plates; The theory explain how the plates interact and how those interactions relate to processes such as earthquakes in mountain building | plate tectonics
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| A system of ideas that explains many related observations and is supported by a large body of evidence acquired Scientific investigation. | theory
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| The process by which new oceanic lithosphere ( sea floor) forms when the magma rises to Earth's surface at mid-ocean ridges and solidifies, as older, existing seafloor moves away from the ridge. | sea-floor spreading
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| The process by which one lithospheric plate moves beneath another plate as a result of tectonic forces. | subduction
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| A block of lithosphere that consists of the crust and the rigid, outermost part of the mantle. | tectonic plates
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| The solid outer layer of Earth that consists of the crust and the rigid upper part of the mantle. | lithosphere
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| The soft layer of the mantle on which the tectonic plates move. | asthenosphere
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| a long, seismically active submarine ridge system situated in the middle of an ocean basin and marking the site of the upwelling of magma associated with seafloor spreading. | mid-ocean ridge
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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.
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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:
ashaver
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