Across
- 4. Third thing necessary for photosynthesis
- 8. A scientific law describes a________
- 9. water freezes at________
- 11. plates move apart
- 13. dioxide first thing necessary for photosynthesis
- 17. the layer nearest to the earth's surface
- 18. process takes the rock to the inside of the Earth
- 19. second thing necessary for photosynthesis
- 20. is a measure of the amount of water vapor that air is holding compared to the amount needed for saturation at a specific temperature
- 21. is used to measure temperature.
- 22. in which the movement of two blocks of rock along a fault causes an earthquake to occur
Down
- 1. is a place with cloudy weather
- 2. ridge A vast underwater mountain chain is called a _______
- 3. second that distinguishes atmospheric layers.
- 5. where most fresh water is
- 6. The hypothesis that continents have slowly moved to their current locations is called __________ drift
- 7. When a scientist has tested her hypothesis, the next step in scientific inquiry is to_________
- 10. the highest concentration of ozone
- 12. process where liquid changes into a gas
- 14. is the 3 ways in which the movement of two blocks of rock along a fault cause an earthquake primary to occur the first to reach a seismograph after an earthquake
- 15. second in which the movement of two blocks causes an earthquake to occur
- 16. boundary between cold and warm air masses
- 20. the 7 steps of the scientific method in order_________ _____ ____ ____ ____ ____ _____