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Science Vocabulary

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Question
Answer
atom   The smallest particle of an element.    
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observation   process of using one or more of the 5 senses to gather information about the world    
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chemical change   A change in matter that produces new substances.    
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specific heat   a measurement of a material's ability to absorb and store heat energy    
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inference   a decision you make based on your observations    
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compound   A substance made of two or more elements chemically combined in a set ratio.    
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density   The measure of how much mass of a substance is contained in a given volume.    
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independent variable (manipulated)   what is changed in an experiment, what is tested    
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element   A substance that cannot be broken down into other substances by chemical or physical means.    
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dependent variable (responding)   what is measured in an experiment; the data    
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energy   The ability to do work or cause change.    
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graph   Is a diagram that shows how two variables are related on a graph, the horizontal line X axis (right to left is the manipulated or independent variable)And Y axis vertical line (up and down responding or dependent variable)    
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mass   A measure of how much matter is in an object.    
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matter   Anything that has mass and occupies space.    
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mixture   Two or more substances that are mixed together but not chemically combined.    
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molecule   A particle made of two or more atoms bonded together.    
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physical change   A change that alters the form or appearance of a substance but does not make the material into another substance.    
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state of matter   Solid have definite shape and volume Gas has neither definite shape and volumeLiquid has not definite shape but it does have definite volume    
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variables   Are the factors that can affect the experiment    
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volume   The amount of space that matter occupies.    
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weight   A measure of the force of gravity on an object.    
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