- Leaves contain a green pigment called chlorophyll.
- Chlorophyll absorbs sunlight, which gives plants the energy they need to grow.
- In autumn, when there is less sunlight, leaves stop producing chlorophyll. Other pigments – which can be yellow, red and orange – show through instead.
Spark a discussion
- What do plants use chlorophyll for?
- Why do you think the leaves stop producing chlorophyll in the autumn?
- Can you think of other changes that happen in the natural world in autumn? Why do you think those changes happen?
Explore our resources
Complete your lesson with teaching resources on the parts of a plant from Tigtag.
Go to Tigtag