SAPS Sheet 8 - Student Sheet - The response of seedlings to light 
SAPS Sheet 8 - Worksheet - The response of seedlings to light Seedlings growing on a windowsill will often bend towards the window. This bending is called a tropism. What are the seedlings responding to? The simple technique described on this worksheet will help students design an investigation to try and find out more about this tropic response.
Download the student sheet and teachers' notes from the links on the right.