1. Chemistry Answer: the study of atoms and molecules, their structures and their interactions to form substances 2. Physics Answer: the study of forces and energy 3. Earth Science Answer: Eart... h's structure and composition and Earth's changes 4. controlled experiment Answer: An experiment in which only one variable is manipulatedat a time. 5. independent variable Answer: The variable being changed or controlled by the experimenter 6. dependent variable Answer: The outcome factor; the variable that may change in response to manipulations of the independent variable. 7. control variable Answer: A variable that is kept constant during a controlled experiment. 8. observational study Answer: observes individuals and measures variables of interestbut does not attempt to influence the responses 9. laboratory experiment Answer: Experiment in which conditions are highly controlled inan artificial environment 10. Physical Model Answer: A physical representation of an object.Prototypes and appearance models are physical models. 11. conceptual model Answer: a verbal or graphical explanation for how a system works oris organized 12. mathematical model Answer: one or more equations that represent the way a systemor process works (formulas [Show More]
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