study stake ch. 7
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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| Continental drift | when lithospheric plates move
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| uniformitarianism | states that Earth's process that are at work today were at work in the past
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| superposition | states that the layers of rocks are stacked oldest on the bottom and young on top
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| sedimentary rock | rock formed from sediment
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| Pangea | ancient theory of super continent that began breaking up 200 million years ago
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| Plate tectonics | theory that explains how lithospheric plates move and interact causing major geologic features
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| fossil record | information about what an oranisim looks like, where it lives and how it envolved
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| absolute dating | calculated by using half-time of certain isotopes
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| estimation | an approximate calculation of a quantity
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| radioactive decay | when an unstable atomic nucleus changes to another nucleus by emitting practice
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| igneous rocks | magma that has been solid
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| relative dating | age based on subject found at the same site
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| half-life | time it take a give amount of a radioactive isotope to decay half it's original mass
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| atoms | the building blocks of all matter
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| index fossil | fossilized remains of a organism that existed over vast area for a short period of time
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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.
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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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