Home Page

Cotmanhay Junior School

Safe, Happy Learning

Digestion and food chains

National curriculum content

  • Describe the simple functions of the basic parts of the digestive system in humans.
  • Identify the different types of teeth in humans and their simple functions.
  • Construct and interpret a variety of food chains, identifying producers, predators and prey.


Lesson objectives

LO1: Identify the different types of human teeth and their simple functions. 

LO2: Describe the simple functions of the basic parts of the human digestive system. 

LO3: Recreate the digestive system. 

LO4: Compare the diets of different animals and use evidence to identify their diets. 

LO5: Use our understanding of producers, predators and prey to answer questions about the impact of changes to a food chain. 

LO6: Learn how to remove plaque from my teeth to keep them healthy. 


What we want children to know

  • How to suggest reasons for differences in the teeth of carnivores and herbivores
  • Know the main body parts associated with the digestive system
  • Explore questions which help to further understanding of the digestive systems special functions
  • Find out what damages teeth and how to look after them
  • Discuss ideas about the digestive system and be able to compare them with models or pictures


What skills we want children to develop


  • Report on findings from enquiries, including oral and written explanations, displays or presentations of results and conclusions.
  • Use straightforward scientific evidence to answer questions or to support findings.
  • Ask relevant questions and use different types of scientific enquiries to answer them.
  • Identify differences, similarities or changes related to simple scientific ideas and processes.
  • Set up simple practical enquiries and fair tests.



Incisors, molars, canines, premolars, wisdom teeth, digestion, nutrition, herbivore, carnivore, omnivore, producer, predator, prey, consumer