Across
- 3. synonym for "atmosphere"
- 4. antonym for "water"
- 6. a marine mammal, the largest animal that has ever lived
- 8. antonym for "sit"
- 10. rhymes with "great"
- 12. synonym for "respire"
- 13. antonym for "over"
Down
- 1. feathered appendages that birds use to fly with
- 2. a chordate that lays soft eggs & has gills & scales
- 5. rhymes with "pact"
- 6. antonym for "land"
- 7. antonym for "heavy"
- 9. huge, prehistoric reptiles
- 11. rhymes with "folds"
- 12. root word "big" (Double the "e".) + suffix "er"