Nature of Science

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What is a control group?

Back

The control group is the group in an experiment that does not receive the treatment or intervention, allowing for comparison against the experimental groups.

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What is a dependent variable?

Back

The dependent variable is the variable that is measured in an experiment; it is affected by changes in the independent variable.

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What is a hypothesis?

Back

A hypothesis is a tentative explanation for a set of facts that can be tested through further investigation.

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What is quantitative data?

Back

Quantitative data is information that can be measured and expressed numerically, such as temperature or height.

Front

What does it mean to say science is understandable?

Back

It means that the world operates according to natural laws that can be discovered and explained through observation and experimentation.

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What is an independent variable?

Back

The 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 a scientific theory?

Back

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

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What is a scientific law?

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A scientific law is a statement based on repeated experimental observations that describes some aspect of the universe.

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What is qualitative data?

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Qualitative data is descriptive information that cannot be measured numerically, such as colors or textures.

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What is an inference?

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An inference is a conclusion drawn from evidence and reasoning rather than from explicit statements.