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Study Guide Quiz

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
Igneous rocks   Form when magma or lava cools near volcanoes, and when plates move apart.  
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Metamorphic rocks   Form when heat and pressure changes rocks; metamorphic rocks are like marble, used for statues.  
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Sedimentary rocks   Are made from particles called sediments, limestone is an example of sedimentary rocks made of coral reef.  
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Grains   Particles that give a rock its texture.  
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Texture   Is how a surface feels and looks.  
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Basalt   Extrusive rock.  
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Pumice   Used for polishing.  
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Granite   Light colored rock made of silica.  
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Cementation   A process by which sediments are glued together.  
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Foliated rock   Metamorphic rock with grains lined-up in layers.  
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Rocks   Are a mixture of minerals and other materials.  
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Earth's crust   most of its rocks are made by about 20 rock-forming minerals.  
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Organic rocks   Sedimentary rock made from remains of living things.  
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Compaction   The squeezing of layers of sediments.  
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