Exam 1: Geology

1234567891011121314151617181920
Across
  1. 2. both pressure and temperature _____ with depth
  2. 3. there are _____ layers of mantle
  3. 8. outer layer of earth
  4. 9. extrusive rocks are formed by ____
  5. 10. formed by sediment
  6. 12. continental drift is caused by _______ currents
  7. 16. earth's crust divided into large pieces
  8. 17. formed by lava or magma
  9. 19. the study of planet earth
  10. 20. seismic waves that are slow and s shaped
Down
  1. 1. igneous rocks formed by magma
  2. 4. when transform plates slide, this natural disaster occurs
  3. 5. hot middle layer of earth
  4. 6. ______ plate boundaries collide
  5. 7. _______ plate boundaries slide
  6. 8. very center of the earth
  7. 11. _______ plate boundaries divide
  8. 13. Which crust is the most dense?
  9. 14. formed at convergent boundaries
  10. 15. rock changed by temp/pressure
  11. 16. seismic waves that are phirst, phast, and push
  12. 18. occurs when a denser plate sinks under another less dense plate