Science4 Crossword

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Across
  1. 3. this happens when one plate subsides under the other
  2. 5. hot fluid material below or within the earth's crust
  3. 7. is a theory by Alfred Wegener
  4. 9. a sudden violent shaking of the ground
Down
  1. 1. when magma erupts onto the surface of the earth
  2. 2. an equipment used to measure the earthquake's intensity, duration and direction
  3. 4. when 2 plates separates
  4. 6. the edge of tectonic plates
  5. 7. when 2 plates meets and 1 goes under the other
  6. 8. a process which 2 plates rubs again each other