Across
- 3. the 7 steps of the scientific method
- 6. the three things necessary for photosynthesis
- 10. the 3 things that distinguish atmosphereic layers
- 14. When a scientist has tested her hypothesis, the next step in scientific inquiry is to
- 15. A scientific law describes a
- 16. the process rocks to the inside of earth is called
- 19. the 3 ways in which movement of two blocks of rock along a fault causes an earthquake
- 21. where plates move apart at
- 22. the layer of the atmosphere closest to earth
Down
- 1. the process of liquid changing to a gas at the surface of a liquid is called
- 2. contains the highest concentration of ozone
- 4. the first to reach a seismograph after an earthquake
- 5. most of the fresh water on Earth is found in
- 7. is used to measure temperature
- 8. A vast, underwater mountain chain is called a
- 9. the point in earth's interior where the energy release of an earthquake occurs
- 11. The hypothesis that continents have slowly moved to their current locations is called
- 12. a measure of the amount of water vapor that air is holding compared to the amount needed for saturation at a specific temperature
- 13. the boundary between cold and warm air masses
- 17. water freezes at
- 18. water evaporates from oceans and lakes and rises into Earth's atmosohere as
- 20. areas of _______ usually have cloudy weather