Plate Tectonics and Continental drift
Across
- 3. similar_______ found on different continents supported the theory of continental drift
- 8. theory that all of the continents were once a large landmass and have slowly moved to their current location
- 9. ________current movement of matter resulting in differences in density
- 11. this boundary occurs when tectonic plates slide past one another
- 12. thinnest, least dense compositional layer
- 13. block of lithosphere that consists of crust and outermost part mantle
Down
- 1. structural layer in which tectonic plates are found
- 2. this boundary occurs when tectonic plates are moving away from each other
- 4. layer that convection currents occur in
- 5. this boundary results when tectonic plates collide
- 6. Last name of the scientist responsible for continental drift theory
- 7. name of the supercontinent
- 9. a type of climatic evidence created by tropical plants
- 10. matching ___________ _________ and rock age was another piece of evidence