Across
- 3. a place in an ecosystem where an organism lives
- 5. the solid and molten rock inside the Earth
- 7. the flow of oxygen and carbon dioxide
- 9. the evaporation of water from a leaf
- 10. the path that energy and nutrients follow
- 12. the continuous movement of water on Earth
- 15. all layer of gases surrounding the Earth
- 17. all of Earth's liquid and solid water
- 20. goes in one direction in a food chain
- 21. the flow of nitrogen from air to ground
- 23. appears in many forms on bread or in a yard
- 25. a model that shows how food chains are connected
Down
- 1. the change from liquid to gas
- 2. all non living things in an environment
- 4. organisms that breakdown decaying material
- 6. organisms that hunts for food
- 8. all living things in an ecosystem
- 11. all of Earth's living things
- 13. when water changes back to a liquid
- 14. the ability to perform work
- 16. water or snow falling from the clouds
- 18. organism that uses the Sun to make its own food
- 19. water flowing over the land when it rains
- 22. organisms that cannot make their own food
- 24. organisms that are hunted