Continental/Plate Tectonics Crossword

123456
Across
  1. 4. The geological process where crust forms at mid-ocean ridges
  2. 5. The continuous circular motion within fluids
  3. 6. Where two tectonic plates collide
Down
  1. 1. A convergent tectonic plates boundary
  2. 2. An American geologist and United States Navy officer
  3. 3. Where two tectonic plates move apart