Scientific Method: Organized process, Used for investigating the physical world, Observation: information gathered using senses, information gathered using tools, Research: finding out what is already known about a topic, may include reading, using the internet, interviewing experts, Hypothesis: a proposed answer to a scientific question, must be testable, written as an If...then statement, Experimental Group: tests the independent variable, Group that receives the "treatment" , Control Group: used for comparison, does NOT receive the independent variable, is the "normal" group, used to see if the independent variable made a difference, Independent Variable: Condition changed by the experimenter, Changed at the beginning of the experiment, follows "If" in the hypothesis, Dependent Variable: Results of the experiment, measured at the end of the experiment, follows "then" in the hypothesis,

Scientific Method- Challenging

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