Variables in science

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What is an independent variable?

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The independent variable is the factor that is changed or manipulated in an experiment to observe its effect on the dependent variable.

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What is a dependent variable?

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The dependent variable is the factor that is measured or observed in an experiment, which is affected by changes in the independent variable.

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What are constants in an experiment?

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Constants are the variables that are kept the same throughout an experiment to ensure that the results are valid and reliable.

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What is an observation in science?

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An observation is the act of using your senses to gather information about the world around you.

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What is an inference?

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An inference is a conclusion drawn from observations and prior knowledge, rather than direct evidence.

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What is a hypothesis?

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A hypothesis is a testable prediction about the relationship between the independent and dependent variables.

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What is another term for independent variable?

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Manipulated variable.

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What is another term for dependent variable?

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Responding variable.

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Why is it important to have constants in an experiment?

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Constants ensure that the experiment is fair and that the results are due to the independent variable alone.

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What is the purpose of a control group in an experiment?

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A control group is used as a standard for comparison to determine the effect of the independent variable.