Experimental Design

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What is Experimental Design?

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Experimental Design is a method used to plan and conduct experiments in a way that ensures valid and reliable results.

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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 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 an experiment.

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What is a control group?

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A control group is a group in an experiment that does not receive the treatment and is used as a benchmark to measure how the other tested subjects do.

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What is an independent variable?

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

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What is a dependent variable?

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A dependent variable is the factor that is measured in an experiment and is affected by changes in the independent variable.

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What is a spring scale used for?

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A spring scale is used to measure the force of gravity on an object, typically in Newtons.

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What is the purpose of a meter stick?

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A meter stick is used to measure length or distance.

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What is the role of a stopwatch in an experiment?

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A stopwatch is used to measure time intervals during an experiment.

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What is the importance of repeating experiments?

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Repeating experiments helps to verify results and ensure reliability.