Across
- 3. _________ crust is denser than continental crust
- 5. At transform plate boundary, plates _____past each other
- 6. The ______ Ring of Fire is a tectonic belt of volcanoes and earthquakes
- 7. Mid-oceanic ridge is formed along oceanic-oceanic divergent plate boundary
- 9. _______ spreading is the process where new ocean floor is formed
- 10. Oceanic ______ can be formed at subduction zone
- 11. At subduction zone, sinking oceanic plate _____ into magma due to friction
- 13. Volcanoes can be formed when ________ rises through the crust
Down
- 1. This current in the Earth drives plate movement
- 2. plates collide or move towards each other
- 4. At continental-continental convergent plate boundary, rocks are compressed, fold and buckle to form _____ mountains
- 7. ______ valley can be formed along continental-continental divergent plate boundary
- 8. This phenomenon can be found along all plate boundaries
- 12. the middle layer of the internal part of Earth