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Chapter 1

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30414924Applied Researchresearch that is directed toward a practical goal or application, research undertaken to solve a specific problem
30414925ChemistryThe scientific study of matter and the changes it undergoes
30414926Conclusiona judgment based on the information obtained
30414927ControlIn an experiment, the standard used for comparison.
30414928Dependent Variablein an experiment, the variable whose value depends on the independent variable
30414929Experimenta set of controlled observations that test the hypothesis
30414930Hypothesisa tentative, testable statement or prediction about what has been observed
30414931Independent Variablein an experiment, the variable that the experimenter plans to change
30414932Massa measure of the amount of matter
30414933Matteranything that has mass and takes up space
30414934Modela visual, verbal, and/or mathematical explanation of data collected from many experiments
30414935Pure Researcha type of scientific investigation that seeks to gain knowledge for the sake of knowledge itself
30414936Qualitative Datainformation describing color, odor, shape, or some other physical characteristic
30414937Quantitative Datanumerical information describing how much, how little, how big, how tall, how fast, etc.
30414938Scientific Lawdescribes a relationship in nature that is supported by many experiments
30414939Scientific Methoda systematic approach used in scientific study that typically includes observation, a hypothesis, experiments, data analysis, and a conclusion
30414940Technologythe practical use of scientific information
30414941Theoryan explanation supported by many experiments; still subject to new data and can be modified
30414942Weighta measure of the amount of matter and also the effect of Earth's gravitational pull on the matter
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