Science & Plants for Schools (SAPS): secondary and post-16 resources

Innovative and reliable practical activities to engage students with biology, focusing on plant science. Where appropriate, the resources include detailed background information for teachers and technicians, and questions to stimulate discussion with and between students.

The Science & Plants for Schools (SAPS) website includes over 200 resources, starter ideas, and articles, with new resources based around contemporary science added each term. Science & Plants for Schools has been supporting teachers for over twenty years, and is now based at the University of Cambridge, associated with the Department of Plant Sciences and the Botanic Garden.



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This collection of SAPS resources includes  recommended plant practicals for 14-16 biology, covering a range of topics including photosynthesis, cells, germination, totipotency and ecology. These practicals are reliable, affordable, and engaging for students.



Calculating the Mitotic Index of a Growing Root Tip

Produced by Science & Plants for Schools (SAPS), this investigation enables students to investigate the process of mitosis in a growing root tip. The mitotic index is the fraction of cells in a microscope field which contain condensed chromosomes.

In this activity students prepare and stain root tips....

Staining a Root Tip and Calculating Its Mitotic Index

In this practical activity students stain root tips and examine them for signs of cells dividing by mitosis. Students can either compare two different sources of root tip or two different stains. The mitotic index is the fraction of cells in a microscope field which contain condensed chromosomes. This index can be...

This collection of resources from SAPS is designed to support the use of practicals across various A-level biology 2015 specifications for England (OCR, AQA, Edexcel and Eduqas).

The resources include:

  • Tested materials to support the A-level practical endorsement in England (CPAC)
  • ...


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