7H - 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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| What does geologist do? | Study rocks.
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| What are the three types of rocks? | Igneous, sedimentary and metamorphic rocks.
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| What do you call rocks when their grains fit together with no gaps? | Interlocking crystals.
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| What do you call when water can go through rocks? | Permeable
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| What do you call when water can not go through rocks? | Impermeable
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| What do you call when rocks when their grains are non interlocking? | Porous
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| What do you called the combination of sizes and shapes of grains in the rock? | Texture of rock.
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| When rain falls on to the rocks, it reacts with the minerals, what is this called? | Chemical weathering
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| Does granite weather faster than limestone or vice versa? | Granite.
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| Give an example of a physical change? | Expansion of rock.
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| What is freeze thaw action? | When water freezes in the cracks of the rock and then melts which make the rock break.
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| What is biological weathering? | When the roots of the plants break the rocks apart.
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| What do you call the process when the rocks get transported to another place from its original? | Erosion
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| What do you call the bits of rocks? | Sediments.
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| When rocks get heated, what do they do? | Expand.
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| When rocks get cooled, what do they do? | Contract.
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| What is onion skin weathering? | Is when the sheets of the rock to peel off.
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| What are glaciers? | Rivers of ice.
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| What is abrasion? | When the rock fragments knock against each other and wear away.
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| Sediments carried by water or ice are__________ when the water slows down or when the ice melts. | Deposited.
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| How do you change from sediments into sedimentary rocks? | Compaction and cementation.
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| What are fossils? | Fossils are when dead animals or plants become covered in a layer of sediments before they rot away.
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| What is limestone mainly made out of? | A white mineral formed from calcium carbonate
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| What are coal oil and natural gas? | Fossil fuels.
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| Rocks form from sediments often have what? | Layers.
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