Across
- 4. formation of clouds happen when ___________ condenses at the dew point
- 6. scale used to measure Earthquakes
- 7. initial explanation for a problem that was observed
- 10. ocean zone that contains the most marine life
- 12. area that is mostly between mars and Jupiter
- 13. largest salt flat
- 14. largest moon in the solar system
- 16. this tides happen with a new or full moon
- 18. closest planet to the sun
- 20. bigger planets are classified as
- 22. pieces of the Earth crust
- 23. plate boundaries that cause Earthquakes
- 24. deep trenches in the abyssal zone
Down
- 1. chain of underwater mountains
- 2. layer of the earth that is completely liquid
- 3. only planet suitable for life
- 5. ocean zone that is very dense and has salty water
- 8. variable that is changed by the scientist
- 9. planet with the strongest gravitational field
- 11. thin layer of gas that is found in the stratosphere
- 12. who is the best student
- 13. planet with over 60 moons
- 15. largest layer of the earth
- 17. minerals that are made of atoms with one element
- 19. most tides are
- 21. element essential for life