Across
- 4. when water becomes water vapor
- 5. what makes things fall
- 7. when a warm air mass ramps up a cold air mass
- 8. mass divided by volume
- 10. this comes cows when they die
- 11. when water is collected into a reservoir
- 12. this energy comes from the sun
- 14. when two cold air masses shove up a warm air mass
- 15. a passage underground where water travels through
Down
- 1. when water vapor becomes a cloud
- 2. when water evaporates from plants
- 3. when a cold air mass shoves a warm air mass
- 6. when water goes down mountains
- 9. when two fronts collide and stay there
- 13. the vocab word for rain, hail, snow, or sleet