Independent and Dependent Variables Practice

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Dependent Variable

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A variable that is measured or observed in an experiment

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Research question: How does the amount of sunlight affect the growth of a plant? What is an example of a dependent variable?

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The height of a plant

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In experimental design, the independent variable is...

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The variable that is manipulated or changed by the researcher

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Testing a hypothesis and gathering data under controlled conditions is called a(n)

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Experiment

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The one variable in an experiment that is purposely changed by the scientist is the ________________.

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independent variable

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What is the independent variable in the research question: "Does the type of petrol put in a car affect how fast the car can drive?"

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Type of petrol

Front

Testing a hypothesis and gathering data under controlled conditions is called a(n)

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Experiment

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What is the dependent variable when testing the effects of different types of exercise on heart rate?

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heart rate

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In an experiment to find out how the temperature affects the bounce height of a ball, the dependent variable is ...

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bounce height

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What is the independent variable? Options: cost of mowing, Moe's Mowing Service, $18, Mowing Time

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Mowing Time