Science FlashCards
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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| Fossils | An object that is a trace or remains of living things from the past.
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| original remains | Fossils that are the actual bodies or body parts of an organism (ex. Bones)
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| ice core | a sample of earth that is taken in a tube and shows the layers that have built up over thousands of years
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| relative age (dating) | the age of an even or object in relation to other events or objects (younger or older)
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| absolute age (dating) | the actual age in years of an object or event
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| index fossil | Fossils of organisms that were common, lived in many areas, and existed only during a certain time span
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| half-life | the length of time it takes for half of the atoms of a radioactive element to change to another form
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| uniformitarianism | the theory that Earth is an always-changing place and that the same forces of change from the past are at work today.
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| Geological Time Scale | the scale that divides Earth’s history into intervals that are defined by major events or changes on Earth
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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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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:
salazaram@gcsnc.us
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