Across
- 4. what most of the earth is covered in
- 5. when water droplets stick together to form a cloud
- 6. _______-eating bats eat mice, birds, frogs, and other small animals
- 8. water in its heated form
- 9. mammals have this type of blood
- 12. an animal that has a backbone
- 14. water in its frozen form
- 15. to use less products
- 16. the bones that protect your organs
- 17. the organ that helps you digest food
- 18. water in its original form
- 20. the body part where oxygen is filtered
Down
- 1. to reprocess a material to make a new product
- 2. what the water in the ocean tastes like
- 3. the process where plants make their own food
- 7. when water is heated and soaked up into the sky
- 10. to use a material again for a different purpose
- 11. the organ that helps pump blood throughout the body
- 13. when water falls from the sky
- 19. a place where water is held