Science and Engineering Practices

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What is a control group in an experiment?

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The control group is the group in an experiment that does not receive the treatment or intervention and is used as a benchmark to measure how the other tested groups do.

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What is a dependent variable?

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The dependent variable is the variable that is being tested and measured in an experiment, which is affected by the independent variable.

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What is a suitable scientific question?

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A suitable scientific question is one that can be tested through experimentation and observation, such as 'How are those clouds formed?'

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What typically leads to scientific questions or problems?

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Scientific questions or problems can arise from observations, curiosity, and existing knowledge.

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What is an experimental group?

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The experimental group is the group in an experiment that receives the treatment or intervention being tested.

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Define '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 purpose of a scientific investigation?

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The purpose of a scientific investigation is to explore, understand, and explain natural phenomena through systematic observation and experimentation.

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What is the difference between qualitative and quantitative data?

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Qualitative data describes characteristics or qualities, while quantitative data involves numerical measurements and can be counted or measured.

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What is a variable in an experiment?

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A variable is any factor, trait, or condition that can exist in differing amounts or types in an experiment.

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What is the scientific method?

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The scientific method is a systematic process for conducting research and experimentation, typically involving observation, hypothesis formulation, experimentation, and conclusion.