Hypothesis, Theory, Law

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What is a scientific law?

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A scientific law is a statement that describes a consistent and universal relationship observed in nature, often expressed mathematically.

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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 and has stood up to repeated testing.

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True or False: A law explains how or why something happens.

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False. A law describes what happens but does not explain how or why.

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What does it mean when a theory is widely accepted?

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It means that the theory has been extensively tested and supported by a large body of evidence.

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True or False: Scientific theories can change over time with new evidence.

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True. Theories can be revised or replaced as new data and technology emerge.

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What is the difference between a hypothesis and a theory?

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A hypothesis is a testable prediction about the relationship between variables, while a theory is a comprehensive explanation supported by a large body of evidence.

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What is an example of a scientific law?

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Newton's Law of Universal Gravitation, which states that every mass attracts every other mass.

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True or False: Laws are always expressed mathematically.

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True. Laws often have mathematical formulations that describe the relationships between variables.

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What is the role of technology in scientific theories?

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Technology enhances our ability to observe and test theories, leading to potential revisions or confirmations.

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What is an example of a scientific theory?

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The Theory of Evolution, which explains the diversity of life through natural selection.