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What is a control group?

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The control group is the group in an experiment that does not receive the treatment or intervention, allowing for comparison against the experimental groups.

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What is a dependent variable?

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The dependent variable is the variable that is measured in an experiment; it is affected by changes in the independent variable.

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What is a hypothesis?

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A hypothesis is a tentative explanation for a set of facts that can be tested through further investigation.

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What is quantitative data?

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Quantitative data is information that can be measured and expressed numerically, such as temperature or height.

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What does it mean to say science is understandable?

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It means that the world operates according to natural laws that can be discovered and explained through observation and experimentation.

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What is an independent variable?

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The independent variable is the variable that is changed or controlled in an experiment to test its effects on the dependent variable.

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What is a scientific theory?

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A scientific theory is a well-substantiated explanation of an aspect of the natural world that is based on a body of evidence.

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What is a scientific law?

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A scientific law is a statement based on repeated experimental observations that describes some aspect of the universe.

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What is qualitative data?

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Qualitative data is descriptive information that cannot be measured numerically, such as colors or textures.

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What is an inference?

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An inference is a conclusion drawn from evidence and reasoning rather than from explicit statements.