Plate Tectonics & Continental Drift

123456
Across
  1. 4. the plate boundary where tectonic plates slide against each other
  2. 5. the plate boundary where tectonic plates go away from each other
  3. 6. Alfred Wegener's theory in which the continents slowly drifted apart over time
Down
  1. 1. the process in which two plates collide and the older, more dense plate goes under the less dense and younger plate
  2. 2. the plate boundary where tectonic plates collide with each other
  3. 3. the name of the supercontinent that existed over 200 million years ago