Controlled Experiments

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What is a controlled experiment?

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A controlled experiment is a scientific test where one variable is changed while all others are kept constant to determine the effect of that variable.

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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 test its effects.

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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 the independent variable.

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What are constants in an experiment?

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Constants are the factors that remain unchanged throughout an experiment to ensure that the test results are valid.

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What is a hypothesis?

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A hypothesis is a testable explanation or prediction about the relationship between variables in an experiment.

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What does it mean to analyze data in an experiment?

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Analyzing data involves examining and interpreting the results of an experiment to draw conclusions about the hypothesis.

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Why is it important to have a control group in an experiment?

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A control group is important because it provides a baseline for comparison, helping to isolate the effects of the independent variable.

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What is the purpose of repeating experiments?

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Repeating experiments helps to verify results and ensure that findings are consistent and reliable.

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How can you determine if a hypothesis is supported?

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You can determine if a hypothesis is supported by collecting and analyzing data to see if it aligns with the predictions made.

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What is the role of observation in scientific experiments?

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Observation is crucial in scientific experiments as it allows researchers to gather data and evidence to support or refute a hypothesis.