Nature of science

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What is the nature of science?

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The nature of science refers to the principles and practices that define scientific inquiry, including the use of empirical evidence, the formulation of hypotheses, and the testing of theories.

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What is an independent variable?

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The independent variable is the factor that is changed or manipulated by the scientist in an experiment to test its effects.

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What is a dependent variable?

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The 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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Why is it important to control variables in an experiment?

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Controlling variables ensures that the results of an experiment are due to the independent variable and not influenced by other factors.

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What does it mean to replicate a scientific investigation?

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Replication means conducting the same experiment again to verify the results and ensure they are valid.

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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 the scientific method?

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The scientific method is a systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

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What is empirical evidence?

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Empirical evidence is information acquired by observation or experimentation that is used to support or refute a scientific theory.

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What is a control in an experiment?

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A control is a standard for comparison in an experiment, which is not exposed to the independent variable.

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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.