chapter3 rocks
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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| rocks | a hard material that composes of the earths crust or serface
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| minerals | the individual substances that make up rocks
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| fossil | any trace left in rock by a plant or animal
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| gemstones | small deposits of igneous and metamorphic crystals in a rock
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| precious stones | the rarest,most durable and beautiful gems
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| ore | a rock containing a metal together with impurities
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| fossil fuel | a fuel derived from the remains of once living things,such as coal
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| petroleum | crude oil
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| hydrocarbon | hydrogen and carbon mixed together
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| cave | any hole not dug out by man
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| speleology | study of caves
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| sea cave | a cave made by the sea
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| lava cave | a cave made by lava
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| solution cave | a cave dug out by water
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| magnetism | the force of a magnet
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| magnetic field | the field in which the magnet draws things in
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| poles | the spot on a magnet that is the strongest
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| electromagnet | a magnet powered by electronic waves
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| magnetosphere | the region of space affected by the earths magnetic field
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| a sedimentary rock | a rock that is formed by sediments that have been pressed together into a solid
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| limestone | the most common type of organic sedimentary rock made from calcium carbonate
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| coal | a rock that provides fuel
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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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