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Theory

Key Stage 3

Meaning

A theory may refer to a belief or idea a person has or it may refer to a scientific theory which is a set of scientific facts linked together to explain an observation.

About Theories

The word theory means something very different in the public than it does in science.
In the public a theory is often no better than a guess.
In science a theory is backed up by scientific evidence which has stood against multiple attempts to prove it wrong, which have all failed, suggesting the scientific theory is likely to be true.

Key Stage 4

Meaning

A theory may refer to a belief or idea a person has or it may refer to a scientific theory which is a set of scientific facts linked together to explain an observation.

About Theories

The word theory means something very different in the public than it does in science.
In the public a theory is often no better than a guess.
In science a theory is backed up by scientific evidence which can be repeated and reproduced and that scientific theory has stood against multiple attempts to prove it wrong, which have all failed, suggesting the scientific theory is likely to be true.

References

AQA

Theories, changes over time, pages 145-6, GCSE Combined Science Trilogy 1, Hodder, AQA
Theories, page 1, GCSE Biology; The Revision Guide, CGP, AQA
Theories, page 2, GCSE Chemistry, CGP, AQA
Theories, page 2, GCSE Chemistry; The Revision Guide, CGP, AQA
Theories, page 2, GCSE Combined Science Trilogy; Chemistry, CGP, AQA
Theories, pages 1, 2, GCSE Combined Science Trilogy; Physics, CGP, AQA
Theories, pages 2, 3, GCSE Biology, CGP, AQA
Theories, pages 2, 3, GCSE Combined Science Trilogy; Biology, CGP, AQA
Theories, pages 2, 3, GCSE Physics; The Complete 9-1 Course for AQA, CGP, AQA

Edexcel

Theories, pages 2, 3, GCSE Biology, CGP, Edexcel
Theories, pages 2, 3, GCSE Physics, CGP, Edexcel

OCR

Theories, page 1, Gateway GCSE Combined Science; The Revision Guide, CGP, OCR
Theories, page 2, Gateway GCSE Physics; The Revision Guide, CGP, OCR