Across
- 1. webbed feat
- 5. what we live on
- 7. dwarf plannet
- 9. slimey, horrible thing
- 10. horrible, grose ugly thing
- 11. lazy, fury thing
- 14. big, large grey mammal
- 15. dioxide what we breathe out
- 17. middle sized animal
- 20. sunreflecting circle
- 21. the hottest star
Down
- 2. fluffy white thing
- 3. black and white animal
- 4. big heavy balls of gas
- 6. the biggest plannet
- 8. what we breathe in
- 12. the furthest plannet away from the sun
- 13. the fastest animal in the world
- 16. the smallest plannet
- 18. heavy water coming from the sky
- 19. mans best friend