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Watt - Minerals

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
naturally forming, inorganic solid with a crystal structure   mineral  
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smallest pieces of an element   atoms  
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simple substances on Earth that cannot be broken down   elements  
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two or more elements that combine chemically   compound  
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a solid that has a repeating pattern of atoms   crystal  
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the way a mineral reflects light   luster  
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the color of a mineral in powdered form   streak  
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a minerals resistance to being scratched   hardness  
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when a mineral breaks along a smooth flat surface   cleavage  
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when a mineral breaks along an irregular or jagged surface   fracture  
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ratio of mass over volume   density  
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not formed from anything once living   inorganic  
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a highly valued mineral due to its rarity and beauty   gem  
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Material whose concentration of valuable minerals is high enough for the material to be mined for profit   ore  
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Created by: Miss Watt
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