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What is a control group?

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A control group is a standard used for comparison in an experiment, kept under 'normal' conditions.

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What is an independent variable?

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An independent variable is the one factor that is changed on purpose in an experiment.

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What is a scientific law?

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A scientific law is a rule of nature that sums up related observations to describe a pattern in nature.

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What is the scientific method?

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The scientific method is an organized set of investigation procedures used by scientists to conduct research.

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What does it mean to make observations in science?

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Making observations involves closely watching and noting the behavior or characteristics of subjects 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, which is affected by the independent variable.

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What is a hypothesis?

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A hypothesis is a proposed explanation for a phenomenon, which can be tested through experimentation.

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What is the difference between a scientific theory and a scientific law?

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A scientific theory explains why phenomena occur, while a scientific law describes what happens under certain conditions.

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What is the purpose of control variables in an experiment?

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Control variables are factors that are kept constant to ensure that the results of an experiment are due to the independent variable.

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What is the role of data in scientific research?

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Data is collected during experiments to support or refute a hypothesis and to draw conclusions.