Puzzle 22: Plate Tectonics

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Across
  1. 2. – Type of plate boundary where plates move toward each other.
  2. 4. – A valley formed at a divergent boundary.
  3. 7. – Type of boundary where plates slide past each other.
  4. 9. – The semi-fluid layer beneath the lithosphere.
  5. 11. – A rigid section of the Earth's crust.
  6. 12. – Type of plate boundary where plates move apart.
Down
  1. 1. – The rigid outer layer of the Earth.
  2. 3. – Mountain formed by magma erupting through the crust.
  3. 5. – A crack in the Earth's crust where movement occurs.
  4. 6. – Sudden shaking of the ground caused by plate movement.
  5. 8. – The thick layer of Earth beneath the crust.
  6. 10. – Process where one plate moves under another.