Across
- 1. A trench is a ? in the ocean
- 5. When two plates go away from each other
- 6. Alfred Wegener's theory was first ____
- 7. tectonics causes earthquakes
- 8. spreading at the mid-ocean ridge a new sea floor is built
- 11. crust One of the two crusts
- 15. 2 plates slide past each other
- 17. Plates are located here
Down
- 2. Currents the power of moving the continents
- 3. 2 plates come together
- 4. there are two types of ? one is oceanic
- 8. happens in trenches
- 9. Wegener Scientist who proposed of the theory of the continental drift
- 10. boundaries three types divergent,convergent and transform
- 11. Drift Theory of the continents moving
- 12. Recent discovery of the plate tectonics happened in the mid
- 13. ? happens in the asthenosphere
- 14. One super continent
- 16. ocean ridge seafloor spreading takes place
- 18. Biggest plate out of the 7 major plates