Scientific Method and Experimentation Flashcards

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Scientific Method

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A step-by-step process scientists use to answer questions or solve problems through experiments and observations.

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Observation

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Using your senses (sight, hearing, touch, etc.) to notice things about the world around you.

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Question

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A problem or curiosity about something in nature that you want to investigate.

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Hypothesis

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A testable prediction or educated guess about what will happen in an experiment, often written as an 'if-then' statement.

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Experiment

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A test or investigation designed to answer a question or test a hypothesis by collecting data.

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Variable

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Something that can change during an experiment, like time, temperature, or amount of material.

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Independent Variable

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The factor you change on purpose in an experiment to see how it affects something else.

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Dependent Variable

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The factor you measure or observe in an experiment to see if it changes because of the independent variable.

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Control Group

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The part of an experiment that doesn’t change, used to compare with the test group to see the effect of the variable.

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Data

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Information, like numbers or observations, collected during an experiment.