Theory

Science: Year 5 & 6 National Curriculum, topic 11.1.6

Theory

When scientific ideas have been tested and there is a lot of evidence, scientists can form a ‘theory’.

Scientific theory

Scientific theory

  • A scientific theory is not the same as ‘just a theory’ in everyday use.
  • A scientific theory explains something and can be tested repeatedly to give the same result.
Example

Example

  • A scientific theory can be used to make predictions.
  • An example of a scientific theory is Isaac Newton's ‘Theory of Gravitation’
  • This theory says that all objects with mass have gravity and attract each other.

Test yourself on Theory

  • What are scientific theories used for?

  • What is scientific idea that has been tested and there is a lot of evidence for?

  • What is correct about scientific theories?

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