Nature of Science

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What is the scientific method?

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A series of steps used by scientists to solve a problem or answer a question.

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Why is replication of experiments important in science?

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Replication of experiments helps to confirm and verify results.

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What is the difference between repetition and replication in scientific experiments?

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Repetition is when a scientist does the same experiment a number of times; replication is when other scientists reproduce a scientist’s experiment.

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What is a dependent variable?

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A dependent variable is the variable that depends on the independent variable; it is what is measured in an experiment.

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What is an independent variable?

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

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What is observational science?

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Observational science involves gathering data without manipulating variables or conducting experiments.

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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 control group in an experiment?

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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 data collection?

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Data collection is the process of gathering and measuring information on variables of interest.

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What is a scientific theory?

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