vocabulary practice
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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| Geology | a science that deals with the history of the earth as recorded in rocks
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| absolute age | the age of a rock given as the number of years since the rock formed
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| era | a major division of geological time
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| eon | the longest division of geological time
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| fauna | animal life; animals of a particular region or period
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| flora | plants of a region or era
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| fossil record | a historical sequence of life indicated by fossils found in layers of the Earth's crust
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| geological time scale | A time scale established by geologists that reflects a consistent sequence of historical periods, grouped into four eras: Precambrian, Paleozoic, Mesozoic, and Cenozoic.
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| law of superposition | in a sequence of sedimentary rocks, the oldest rocks are on the bottom and the younger rocks are on the top
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| period | a unit of geological time during which a system of rocks formed
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| radiometric dating | using a radioactive process to determine the age of an item
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| relative age | the age of rock compared to the ages of other rocks
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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:
amyshirey
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