plate tectonics
Across
- 2. the scientist who discovered plate tectonics
- 4. boundary in which two plates slide past each other
- 5. the uppermost layer of the oceanic portion of the tectonic plates.
- 8. boundary in which two plates slide into each other
- 9. the upper mantle
Down
- 1. oceanic plate slides under the continental.
- 2. made up of semi-plastic rock
- 3. the relatively thick part of the earth's crust that forms the large landmasses.
- 6. the rigid outer part of the earth, consisting of the crust and upper mantle.
- 7. boundary in which two plates slide apart from each other