Why do leaves change colour in fall

Question: Why do leaves change colour in fall
- Keywords:
  colour change,
  fall,
  leaf
Asked by Miss Science to Deborah, Euan, Maheen, Rob, Stu on 13 Jun 2016.
- Deborah Prunty answered on 13 Jun 2016:
  
  During the winter plants hibernate, just like some animals do. Leaves are how plants get their food from sunlight. They take up a lot of energy though. When the plant is getting ready to hibernate it lets them die off, so it doesn’t have to use the energy to keep them all winter.

Question: Why do leaves change colour in fall