Nature

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