NATURE of SCIENCE REVIEW

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What is a control group in an experiment?

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A control group is a group in an experiment that does not receive the treatment or intervention being tested, allowing for comparison with the experimental group.

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Why is it important to have a control group in scientific studies?

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A control group is important because it helps scientists compare the effects of the treatment with a baseline, ensuring that the results are due to the treatment and not other factors.

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What is the best source of scientific information?

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An article in a science journal is considered the best source of scientific information because it is peer-reviewed and based on research.

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What is an observation in scientific research?

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An observation is a statement based on what one sees, hears, or measures, and it is factual rather than an opinion or interpretation.

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What is the first step in conducting a scientific investigation?

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The first step is to develop a question that you want to investigate.

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What are the three states of matter?

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The three states of matter are solid, liquid, and gas.

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

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What happens to water when it is heated?

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When water is heated, it can change from a liquid to a gas (steam) as it reaches its boiling point.

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NGSS.MS-PS1-4

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What is the scientific method?

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

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NGSS.HS-LS1-3

NGSS.HS-LS2-3

NGSS.HS-PS1-2

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What is a hypothesis?

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

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What is the difference between qualitative and quantitative observations?

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Qualitative observations describe characteristics or qualities (e.g., color, texture), while quantitative observations involve measurements and numbers (e.g., height, weight).