English National Curriculum Science

2. Explain how plants use glucose

Mission Objectives

Discuss how plants use photosynthesis to build organic molecules

Explain why plants need glucose

Test a leaf for starch

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KS3-16-02 Handout PDF KS3-16-02 Handout

Keywords

Words and meanings to learn

glucose

a sugar which provides energy for plants

starch

an insoluble molecule made from many glucose molecules

cellulose

an insoluble substance also made from glucose which is in plant cell walls and vegetable fibres such as cotton

fats

fats can be soluble or insoluble and are made up of glycerol and fatty acids; they are used in plants as an energy store, for example, in seeds

respiration

a chemical process in living organisms involving the release of energy from a reaction between glucose and oxygen

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This lesson has been written by

Dr Shannon Weldon

Shannon started her journey with Developing Experts by completing PHD placement while studying for her Doctorate in Developmental Biology at the University of East Anglia. Shannon has since joined the team full-time as a Project Manager working with the company's industry partners. Shannon knows a lot about chickens!

Maria Bateson

Maria completed her PGCE at Oxford in 2005 and taught at schools in Oxford and London before taking time out for family and travel. Maria has led INSET for teachers in Ukraine and gained her Scouting Wood Badge in Belgium. Since returning to the UK and the classroom in 2019, Maria has been awarded Chartered Science Teacher status and more recently, Lead Practitioner. She is also on the Editorial Board for School Science Review, the ASE Journal, and currently teaches at The Charter School East Dulwich as KS5 Science Lead.

Required Resources

Resources: The handout, geranium or basil plant, boiling tube, ethanol, 250ml beaker, bunsen/stove & ancillaries, stirring rod, white tile, iodine and a pipette. 

Handout: Testing a leaf for starch.

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