Plates and Earthquakes

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Across
  1. 6. A point on Earth’s surface directly above where an earthquake begins.
  2. 7. A boundary at which two plates pull apart.
  3. 8. A location in Earth’s crust at which an earthquake begins.
Down
  1. 1. A boundary at which two plates collide.
  2. 2. Fracture or zone of fractures in Earth’s crust.
  3. 3. _____ waves: shear waves that deform the ground perpendicular to the direction that they are moving.
  4. 4. _____ waves: compressional waves that compress and expand (shake) the ground in the same direction and in the opposite direction that they are moving.
  5. 5. A boundary at which two plates slip or grind past each other horizontally.