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Atom PPP 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
Theory if the 4 Essences   All forms of matter were a combination of earth, air, fire, and water.  
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The Greek Philosopher who believed in the 4 Essences   Aristotle  
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The Greek Philosopher who opposed this theory and who first came up the the idea of the "atom" was Democritus   Democritus  
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What were the three goals Alchemists had   Tried to change cheap metals into gold, they tried to stop aging, and tried to cure diseases  
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When two or more elements are chemically combined to form a new substance it is called a   Compound  
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Examples of compounds   Water, salt, sugar, rust, tarnish, and ammonia  
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An English teacher who proved Democritus was correct    
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