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Study cards for Mrs. Burkett's 7th grade academic classes Matter Unit

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
Anything with mass and takes up space   Matter  
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Words or phrases used to describe an object   Properties  
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Two substances mixed together but not chemically combined   Mixtures  
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A mixture that appears to be the same throught, well mixed   Homogeneous mixture  
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A mixture that does not appear to be the same throughout, least mixed   Hetergeneous mixture  
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A type of Hetergeneous mixture when one substance is disssolved in another   Solution  
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The substance that does the dissolving in a solution   Solvent  
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The substance that is dissolved in a solution   Solute  
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A change when the substance stays the same   Physical change  
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A chance in which a new substance is formed   Chemical change  
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When two or more substances are chemically combined   Compounds  
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The smallest part of a compound with all the properties of that compound   Molecule  
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A number to the lower right of an a element symbol in a chemical formula, Tells how many atoms are in are present in a compound   Subscript  
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In front a of a chemical formula, tella how many molecules are in the formula   Coefficient  
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The simplest pure substance   Element  
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The smallest part of a element with all the properties that that element has   Atom  
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The center of an atom   Nucleus  
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Neutral charge and are found in the nucleus of an atom   Neutrons  
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Have a + charge and are found in the nucleus of an atom   Proton  
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Have a - charge and are found outside of the nucleus   Electron  
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Electrons are found here   Energy levels outside the nucleus  
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Equal to the # of protons in the atom   Atomic #  
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Sum of the protons and neutrons   Mass #  
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Phase of matter with no definite shape but has a definite volume   Liquid  
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Phase of matter with no definite shape or a definite volume   Gas  
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Phase of matter with both a definite shape and a definite volume   Solid  
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Must be added to or taken away from a substance in order for a phase change to occur   Energy  
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A solid changing to a liquid   Melting  
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A liquid changing to a solid   Freezing  
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A liquid changing to a gas only at the surface of the liquid   Evaporation  
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Gas changing to a liquid   Condensation  
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