Across
- 1. plants can make their own _________
- 3. group containing sponges
- 6. an ice cube will ______ to form water
- 9. to get food animals have to _______ food
- 10. vertebrate with scales and skin
- 13. an example of a vertebrate with four legs and moist skin
- 14. an ice cube is less _____ than water
- 15. water will ______ to form ice
- 16. group of vertebrates with 4 legs and scaly skin
- 18. animals with backbones
- 19. this can melt ice and evaporate water
Down
- 1. flowering plants make _____________
- 2. state of matter with no constant shape or volume
- 4. a gas can spread __________ to fill a room
- 5. group containing starfish
- 7. to form vapour slowly
- 8. water _____ to make water vapour
- 11. group with 6 legs
- 12. member of a large group of woody plants
- 17. when water freezes it forms this
- 18. when heated a liquid changes to a _________