Physical Science Review

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What is evidence in a scientific context?

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Evidence refers to the information or data collected during an experiment that supports or refutes a claim.

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What is data in scientific experiments?

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Data is the information collected during an experiment, which can be analyzed to draw conclusions.

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What happens when a substance dissolves in water?

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When a substance dissolves in water, it breaks down into smaller particles and becomes part of the liquid.

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What is a claim in science?

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A claim is a statement or assertion that can be tested through scientific investigation.

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What is the role of safety in scientific experiments?

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Safety guidelines help ensure that experiments are conducted without risk of harm to the experimenter or others.

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What is a 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 importance of measuring calories in food?

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Measuring calories helps determine the energy content of food, which is important for nutrition.

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What does it mean for a food to be healthy?

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A healthy food is one that provides essential nutrients and contributes to overall well-being.

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What is the significance of sodium in food?

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Sodium is an essential mineral, but excessive intake can lead to health issues like high blood pressure.

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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 previous knowledge.