Review: Science Process & Energy

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What is the independent variable in an experiment?

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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 the dependent variable in an experiment?

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The dependent variable is the factor that is measured or observed in response to changes in the independent variable.

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What are controlled variables in an experiment?

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Controlled variables are factors that are kept constant throughout the experiment to ensure that the results are valid.

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What is the purpose of making observations in science?

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Observations are made using the five senses to gather information and describe characteristics of an object or phenomenon.

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Why is it important to repeat experiments?

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Repeating experiments is important to reduce the chance of error and to verify the reliability of the results.

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What is a hypothesis?

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A hypothesis is a testable prediction about the relationship between the independent and dependent variables.

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What is the scientific method?

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The scientific method is a systematic process used for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

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What is the difference between qualitative and quantitative data?

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Qualitative data describes characteristics or qualities (e.g., color, texture), while quantitative data involves numerical measurements (e.g., height, weight).

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What is a control group in an experiment?

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A control group is a standard of comparison in an experiment that is not exposed to the independent variable.

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What is the significance of a graph in scientific experiments?

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Graphs visually represent data, making it easier to identify trends, patterns, and relationships between variables.