3rd 9 Weeks Review

Edit Answers
12345678910111213141516
Across
  1. 2. This type of wave is FIRST to be detected after an earthquake
  2. 8. The boundary when two tectonic plates move TOWARD each other
  3. 10. This is the instrument used to record seismic activity
  4. 14. This is the movement of broken material from one location to another
  5. 15. This is the outermost part of the Earth
  6. 16. This type of rock is created from the cooling of magma or lava
Down
  1. 1. The boundary when two tectonic plates move AWAY from each other
  2. 3. This is the point directly above (on the Earth's surface)the point of impact to create an earthquake
  3. 4. This is the point BELOW the surface of the earth where the earthquake originates
  4. 5. This gas is what humans breathe in
  5. 6. This is the innermost part of the Earth
  6. 7. This is the breakdown of rocks and minerals
  7. 8. _______ drift is the theory that all continents were once combined in a super continent and have since drifted apart
  8. 9. The boundary when two tectonic plates slide past each other
  9. 11. Scientists believe that convection currents from the ______ cause tectonic plates to move
  10. 12. This is the name of the super continent
  11. 13. This type of rock is created from heat and pressure