Interdependence in food webs

Use this primary science activity to understand the interdependence of all living things. This outdoor lesson idea will practically demonstrate food webs and start to explore the impact of human activity on these ecosystems. 

© Learning Through Landscapes. Licensed under CC BY-NC-SA 4.0

~ 1 hour


Download the resources below.

What you need

  • a ball of string
  • an open outdoor area
  • coloured chalk
  • a camera or iPad


  • indoor / outdoor

Step by step

Download the guidance for step-by-step instructions. This activity could be extended by asking learners,  in groups, to create and draw a food web for a habitat around the world.