ENV SCI FINAL REVIEW 1 2025

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What is qualitative data?

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Qualitative data involves descriptions, photographs, or illustrations that cannot be counted or measured.

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What is quantitative data?

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Quantitative data involves numerical values that can be counted or measured.

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What is an independent variable in an experiment?

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The independent variable is the one that is deliberately changed by the scientist to observe its effect.

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What is a dependent variable in an experiment?

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

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What are the steps of the scientific method?

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The steps include making observations, forming a question, conducting experiments, collecting data, and forming a conclusion.

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What is a control group in an experiment?

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The control group is the group that does not receive the experimental treatment and is used for comparison.

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What is the purpose of forming a hypothesis?

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

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What is the difference between a theory and a hypothesis?

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A hypothesis is a specific prediction, while a theory is a well-substantiated explanation of an aspect of the natural world.

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What is the importance of collecting data in an experiment?

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Collecting data is crucial for analyzing results and drawing conclusions based on evidence.

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What does it mean to make observations in science?

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Making observations involves using the senses to gather information about a phenomenon.