6th grade Flashcard_Variables only

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What is an independent variable?

Back

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 or observed in an experiment, which is affected by changes in the independent variable.

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In an experiment, what is a control?

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A control is a standard against which the results of an experiment are compared. It is the element that remains constant.

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What is the purpose of an experiment?

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The purpose of an experiment is to test a hypothesis by manipulating variables and observing the effects.

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What does it mean to test a hypothesis?

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To test a hypothesis means to conduct an experiment to determine if the proposed explanation for a phenomenon is supported by evidence.

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What is the relationship between independent and dependent variables?

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The independent variable is manipulated to observe its effect on the dependent variable.

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Give an example of an independent variable in an experiment about plant growth.

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The amount of sunlight the plants receive.

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Give an example of a dependent variable in an experiment about plant growth.

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The height of the plants after a certain period.

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What is the significance of having a control in an experiment?

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Having a control allows scientists to isolate the effects of the independent variable and ensure that the results are due to the variable being tested.

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Why is it important to have a clear hypothesis before conducting an experiment?

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A clear hypothesis provides direction for the experiment and helps in formulating the independent and dependent variables.