Across
- 3. thing that distinguish atmospheric layer
- 4. 3 thing necessary for photosynthesis
- 7. the process of liquid changing to a gas
- 8. earth's interior where the energy release of an earthquake
- 10. is the layer of the atmosphere nearest to earth's surface
- 12. after hypothesis you observe and ____
- 17. water freezes at
- 18. the 7 steps in the scientific method
- 19. 3 ways a fault causes an earthquake
- 21. process takes rocks to the inside of earth
Down
- 1. the amount of water vapor that air is holding
- 2. plates move apart
- 4. contains the highest concentration of ozone
- 5. underwater mountain chain
- 6. the first to reach a seismograph after an earthquake
- 9. hypothesis that slowly moves locations
- 11. water evaporates from _____ into earths atmosphere
- 13. most freshwater on earth is found in ______
- 14. boundary between cold and warm air masses
- 15. a scientific describes a ________ in nature
- 16. ________ is used to measure temperature
- 20. areas of _______ usually have cloudy weather