Scientific Method Review

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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. It typically involves making observations, forming a hypothesis, conducting experiments, analyzing data, and drawing conclusions.

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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. It is often formulated as an if-then statement.

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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 experiments, variables are what researchers manipulate or measure.

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What is the difference between independent and dependent variables?

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The independent variable is the one that is changed or controlled in a scientific experiment to test its effects on the dependent variable, which is the variable being tested and measured.

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What is a controlled experiment?

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A controlled experiment is an experiment in which only one variable is changed while all other factors are kept constant.

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What is qualitative data?

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Qualitative data is descriptive information that cannot be measured numerically. It often involves characteristics or qualities.

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What is quantitative data?

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Quantitative data is numerical information that can be measured and expressed mathematically.

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What is the purpose of a control group in an experiment?

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The control group serves as a baseline that allows researchers to compare the effects of the independent variable against a group that does not receive the treatment.

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What does it mean for a question to be testable?

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A testable question is one that can be answered through experimentation or observation, allowing for data collection and analysis.

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What is the importance of repeating experiments?

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Repeating experiments is crucial for verifying results and ensuring that findings are reliable and not due to chance.