Across
- 2. amount of heat/energy needed for liquid to turn into a gas
- 7. poles,negative & positive of an atom
- 11. too much of these two nutrients lead to this
- 13. 4 or 5 step process
- 14. safe to drink
- 15. you either sink or float
- 16. salt
- 17. gets me more, giving away more energy
- 21. one of the biggest bodies of water
- 22. pollutant substances
- 23. bath tub
Down
- 1. zone below twilight zone
- 3. is this substance clean enough for humans/creatures
- 4. contains all earth's water
- 5. deep sea animals need this to survive
- 6. two different types of water interact
- 7. has a scale zero to fourteen
- 8. cloudiness
- 9. creatures indicate ecosystem health
- 10. any substance can dissolve in water
- 12. plant in the sunlight zone and eaten by zooplankton
- 18. flat land, often floods
- 19. 3 angles make 180 degrees
- 20. ends up in a bigger version of itself lakes, river
- 24. other materials dissolve in water and ethanol and acetone