Variables

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What is a variable in an experiment?

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A variable is a factor or condition that can change in an experiment. It can affect the outcome of the experiment.

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What is an independent variable?

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The independent variable is the factor that is changed or controlled in an experiment to test its effects 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. It is affected by changes in the independent variable.

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Why is it important to repeat experiments?

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Repeating experiments helps to ensure that the results are reliable and can be trusted.

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What does it mean if an experiment has a control group?

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A control group is a group in an experiment that does not receive the treatment or independent variable, allowing for comparison.

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What is a hypothesis?

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

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What is the purpose of using graphs in science?

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Graphs are used to record and display data, show trends, and predict outcomes based on the data.

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What can scientists conclude from their experiments?

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Scientists can conclude whether their hypothesis was supported or not based on the results of their experiments.

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What is the scientific method?

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The scientific method is a systematic process that scientists use to investigate questions, gather data, and draw conclusions.

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What is an observation in science?

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An observation is the act of noticing and describing events or processes in a careful, orderly way.