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What is a manipulated variable in an experiment?

Back

The manipulated variable is the factor that is intentionally changed or controlled in an experiment to test its effects on the dependent variable.

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Why is a larger sample size important in research?

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A larger sample size increases the reliability of the results and helps to ensure that the findings are representative of the larger population.

Front

What does a graph showing evaporation rates indicate?

Back

It can show trends over time, such as when evaporation rates are highest or lowest during the day.

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How can you improve the design of an experiment?

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By ensuring that all variables are controlled, such as using the same amount of liquid in each beaker.

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What tool is used to measure the volume of a liquid?

Back

A graduated cylinder is used to accurately measure the volume of liquids.

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What is a hypothesis in scientific inquiry?

Back

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

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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 to compare the effects of the manipulated variable.

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What is the difference between qualitative and quantitative data?

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Qualitative data describes characteristics or qualities, while quantitative data involves numerical measurements.

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What is the scientific method?

Back

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

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What is an independent variable?

Back

The independent variable is the variable that is changed or controlled in a scientific experiment to test its effects on the dependent variable.