8th grade Science
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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| Scientific model | an ideal that allows us to create explanations of how something may work. They can be actual physical models or mental models.
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| Slinky spring | tool used to model waves
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| Average speed | total distance divided by total time taken (v=d/t)
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| Adaptation | a trait or behavior that helps an organism (living thing) survive and reproduce.
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| Variations | how organisms of similar species differ from each other in their traits
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| Natural selection | process that explains adaptation and survival. It shows how species can change over time in order to survive.
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| Petrified fossil | fossil that forms when minerals soak into the buried remains of an organism, the minerals replace the remains and change them into rock.
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| Preserved fossil | fossil that forms when organisms, or parts of organisms are prevented from decaying by being trapped in rock, ice, tar or amber.
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| Geologic features | features on the Earth such as mountains, rivers, tributary, lakes, farmland, forests, etc.
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| Contour lines – lines on a map that indicate geologic features on a map. |
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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:
asarvis
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