GSH EOCE Review - Experimental Design

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What is a dependent variable?

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The dependent variable is the actual data collected during the experiment, which is affected by changes in the independent variable.

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What are limiting factors in an experiment?

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Limiting factors are conditions that can affect the outcome of an experiment, such as temperature, amount of water, nutrient levels, and light exposure.

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What is the dependent variable in an experiment testing soda and Mentos?

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The dependent variable is the height of the foam eruption, which is measured as a response to the independent variable.

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What is an independent variable?

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The independent variable is the one being deliberately changed by the scientist in an experiment.

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What is a hypothesis?

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A hypothesis is a possible explanation to a problem that has not yet been tested.

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What is the control group in an experiment?

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The control group is the group that does not receive the experimental treatment and is used as a benchmark to measure how the other tested subjects compare.

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How do you identify the independent variable in an experiment?

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The independent variable is identified as the factor that is intentionally manipulated or changed by the researcher.

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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 collecting data and analyzing the effects of the independent variable on the dependent variable.

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What is the significance of data in an experiment?

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Data is the information collected during an experiment, which is used to support or refute the hypothesis.

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What is a theory in scientific terms?

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A theory is a well-substantiated explanation of an aspect of the natural world that is based on a body of evidence.