8th Cht 10 CLUES TO EARTH'S PAST LESSON 2
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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| CORRELATION | process of matching rocks and fossils from separate locations
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| INCLUSION | piece of an older rock that becomes part of a new rock.
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| INDEX FOSSIL | species that existed on Earth for a short length of time, was abundant, and inhabited many locations.
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| LATERAL | refers to a side or a sideways direction.
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| RELATIVE AGE | the age of rocks and geologic features with respect to other rocks and features nearby
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| SUPERPOSITION | principle that in undisturbed rock layers, the oldest rocks are on the bottom
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| UNCONFORMITY | surface where rock has eroded away, producing a break in the rock record
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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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