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| value that tells you the amount of something; has quantity and unit |
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| a fixed amount of something; allows people to communicate amounts |
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| measurement of distance along it's greatest dimension |
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| a measurement of how much surface something has |
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| a measurement of the amount of space something occupies |
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| anything that has mass and takes up space |
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| a measure of the amount of matter that makes up something |
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| a measure of how hot or cold something is |
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| a mixture of two or more substances that are evenly distributed at the molecular level |
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| a process used by scientists to find the answers to questions |
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| a possible explanation that can be tested with an experiment |
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| a controlled test to determine if a hypothesis is supported or refuted |
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| a group of objects, effects, and variables that are related |
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| a factor that affects how a system works |
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| the variable you change in an experiment |
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| the variables you keep the same in an experiment |
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| an explanation of how a process or event is thought to occur |
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| a visual way to represent data |
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| a variable that you believe might influence another variable; also called the manipulated variable |
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| the variable that you believe is influenced by the independent variable; sometimes called the responding variable |
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| a relationship in which one variable increases with an increase in another variable |
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| a relationship in which one variable decreases when another variable increases |
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