8th grade vocab
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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| Physical properties | characteristics like hardness, luster, color, texture, density, and the way it splits.
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| Chemical properties | characteristics like the ability to burn and the reactivity to acids.
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| Minerals | Natural, sold materials found on Earth that are the building blocks of rock; each has a certain chemical makeup and set of properties that determines their use and value.
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| Ores | minerals that are mined because they contain useful metals or nonmetals.
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| Fossil fuels | natural fuels that come from the remains of living things; fuels give off energy when they are burned.
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| Rocks | materials from earth that can be classified by their physical appearance. Each of 2 classifications is formed differently and can change, over time, from one type to another.
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| Trial | Each set of repeated data in an experiment
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| Sample | a portion of the total number of objects. It is used in estimation.
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| Mold fossil | fossil that forms when sediments bury an organism and the sediments change into rock. The organism decays, leaving a cavity (hollow spot) in the shape of the organism.
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| Cast fossil | fossil that forms when a mold is filled with sand or mud that hardens into the shape of the organism.
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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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