Across
- 1. the weight of matter in something
- 6. the ONE thing we change in an experiment
- 12. when water vapor cools in clouds
- 13. a 3-D combination puzzle invented in 1974
- 14. makes the whole water cycle works
- 15. the type of water in the oceans
- 18. the gas form of water
- 19. normal conditions of an area over a long period of time
- 21. all the water in, on, or above the earth
- 22. the amount of space something takes up
Down
- 2. a collection of water on earth
- 3. rain, snow, sleet, or hail
- 4. information scientists collect
- 5. when water turns into a gas
- 7. the water beneath the Earth's surface
- 8. the type of water that is in our lakes, rivers and underground
- 9. a measure of the amount of water vapor in the air
- 10. the FORM of water that comes down as rain
- 11. the solid form of water
- 16. water that does not go in bodies of water or soak into the ground
- 17. the conditions in the atmosphere for a short period of time
- 20. what everything is made of