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Which Materials Biodegrade?

By August 28, 2018Learn

A Key Stage 1/ 2  investigation into the biodegradability of plastic.

Curriculum coverage

Working scientifically


  • observe closely
  • using their observations and ideas to suggest answers to questions
  • gathering and recording data to help in answering questions


  • making systematic and careful observations
  • reporting and presenting findings from enquiries, including conclusions, in oral and written forms such as displays and other presentations
  • identifying scientific evidence that has been used to support or refute ideas or arguments



  • distinguish between an object and the material from which it is made
  • identify and name a variety of everyday materials, including wood, plastic, glass, metal, water, and rock
  • describe the simple physical properties of a variety of everyday materials


  • compare and group materials together and observe changes in materials

Learning objectives

Observe and record changes in materials over time

Understand the term biodegrade

Sort materials according to whether they will biodegrade


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