Tectonic plates lab

123456789
Across
  1. 4. a large natural elevation of the earth's surface
  2. 5. boundary when two boundaries divide
  3. 7. a sudden and violent shaking
  4. 9. melted lava
Down
  1. 1. when one plate goes under another
  2. 2. a piece of land surrounded by water.
  3. 3. boundary when two boundaries collide
  4. 6. boundary when 2 plates slide past eachother
  5. 8. opening