Across
- 1. tectonic plates move away from each other
- 3. when 2 tectonic plates slide next to each other
- 7. Earth's second layer
- 8. thick part of the earths crust that forms land masses
- 9. a long narrow ditch
Down
- 2. planet we live on
- 4. tectonic plates collide and 1 falls under
- 5. when two tectonic plates collide
- 6. thin part of earths crust which is under the ocean