Earth's History
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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| climate | This is the long term weather patterns in an area.
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| ice cores | These are tubular samples that show the layers of ice and snow that have built up over thousands of years.
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| tree rings | Theses are patterns of circles found on the cross-section of a tree.
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| carbon film | This is when an organism decays and the carbon from its body forms a film on rocks
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| petrified wood | This is a stone or fossil of a tree or plant
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| cast | This is a solid model in the shape of an organism made of sediment that filled the mold.
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| mold | This is a visible shape left after an organism has decayed away
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| original remains | These are remains of organisms that are preserved and air tight.
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| paleontologist | This is a scientist that studies fossils to understand Earth's history
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| fossil | These are traces of remains of living things from long ago
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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:
krusso78
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