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Science glossary film: Theory

Theory

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An explanation or model that is logical, testable and predictive.

An explanation or model that is logical, testable and predictive. The best theories, such as Newton's universal law of gravitation, describe phenomena in simple terms, and make predictions that can be tested by experiment. Even the best theories can later be overturned by new evidence, and the provisional nature of all theories is an important part of science.

The best theories, such as Newton's universal law of gravitation, describe phenomena in simple terms, and make predictions that can be tested by experiment. Even the best theories can later be overturned by new evidence, and the provisional nature of all theories is an important part of science.

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