Scientific Method Practice 1

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What is a hypothesis?

Back

A hypothesis is a testable statement or prediction about the relationship between two or more variables.

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What is an inference?

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An inference is a conclusion drawn from evidence or reasoning, not directly testable.

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What is the difference between a hypothesis and an inference?

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A hypothesis is testable; an inference is not.

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What is an independent variable?

Back

An independent variable is the factor that is changed or manipulated in an experiment.

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What is a dependent variable?

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A dependent variable is the factor that is measured or observed in an experiment.

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What is a controlled variable?

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A controlled variable is a factor that is kept constant to ensure a fair test.

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What is a control group?

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A control group is a group in an experiment that does not receive the treatment and is used for comparison.

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What is the purpose of the analysis phase in the scientific method?

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The analysis phase includes reviewing all trials, errors, and corrections made during an experiment.

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What is the conclusion in the scientific method?

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The conclusion summarizes the results of the experiment and states whether the hypothesis was supported or not.

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How many independent variables should be tested in a controlled experiment?

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Only one independent variable should be tested at a time.