Across
- 2. the colour of the clear sky
- 3. hidden part of a tree
- 5. natural movement of the air
- 6. a ribbon of seven colours in the sky
- 7. the study of living organisms
- 8. what clouds carry and release
Down
- 1. a sugary liquid produced by flowers that insects like
- 2. covers the tree or what dogs do
- 4. the flower that looks like the sun
- 5. building material obtained from trees