Plate Tectonics and Earth's Interior
Across
- 3. Outer layer of Earth composed of thin hard rock
- 6. Thick dense layer of rock under the crust
- 7. Earth's only liquid layer
- 8. Created when one plate slides under another plate
- 11. An example of a divergent boundary
- 12. A supercontinent that existed millions of years ago that consisted of all present continents
- 14. States that continents have moved slowly into their present locations
- 17. The plastic-like layer of Earth below the lithosphere
- 18. Plates below continents
- 20. A German meteorologist who presented the theory of continental drift in 1912
Down
- 1. An example of a subduction zone
- 2. Made up of the crust and upper part of upper mantle
- 4. Boundary between two plates that are sliding past each other
- 5. Magma in the Earth rises when hot and sinks when cool
- 9. Boundary between two plates that are moving towards each other
- 10. Boundary between two plates that are moving away from each other
- 13. An example of a convergent boundary
- 15. An example of a transform boundary
- 16. Plates below oceans
- 19. Innermost layer of Earth composed of solid iron and nickel