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AQ 1-2 vocab

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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Term
Definition
Matter   substance that has mass  
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Pollutant   substance that pollutes air.  
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Volume   the space that a substance occupies  
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Mass   Large portion of matter with no definite shape.  
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Atom   basic unit of chemical element  
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Molecule   A group of atoms that are bounded together.  
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Compound   A mixture  
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Pure substance   it is a form of matter that cannot be separated into components.  
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Physical change   Also known as the phase change, it can be changed from solid, liquid or a gas making a chemical reaction.  
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Chemical change   Atomic and molecular process and structure of substances involved.  
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Photosynthesis   Process used by plants and other living organism.  
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Qualitative data   Data that is descriptive  
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Quantitative data   Data that is numerical  
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