Science investigation - What do plants need to grow

Last week we set up an investigation using cress seeds to find out what a seed needs to grow.
We had four groups and they all grew the seeds under different conditions.  The photos show the results of our investigation.

What does a seed need to grow? on PhotoPeach

Winter group, who had grown their seeds in the dark asked, "if we leave the yellow cress in the light will it turn green?"  This was such a super question that we just had to test it out.  We left the yellow cress seeeds previously grown in the dark on the window sill for 3 days and......................................................................................................................

THEY DID TURN GREEN IN THE LIGHT !!!

Well done to half the class who predicted that this would be the result.

Let me know if you are growing any seeds at home and how they are getting on.