Across
- 1. a break in the crust
- 4. a super hot pool of magma; creates islands
- 7. type of seismic wave; passes through S,L,G
- 8. creates the northern and southern hemispheres
- 10. the reason we see different constellations
- 11. travels slower than the P-wave
- 14. the solid crust of earth
- 17. slope, or steepness
- 19. star directly above the northern axis
- 21. tectonic plates collide
- 22. lines connecting the N and S poles
- 23. mass/volume; the compactness of an object
- 24. 15 degrees per hour
Down
- 2. this is what the tect. plates glide above
- 3. location of sea floor spreading
- 5. tectonic plates separate
- 6. density x volume
- 9. the lowest level of earth's atmosphere
- 12. flatitude
- 13. a cyclical flow of heat due to density diffs
- 15. You're happy today, so you'll be happy tomorrow
- 16. directly above the focus, on the surface
- 18. the space an object occupies
- 20. a violent shaking of the earth