Across
- 2. very hot, very dense center of our planet
- 4. another word for oceans
- 5. large-scale processes affecting the structure of the earth's crust
- 7. big wave
- 11. when the earth rumbles
- 12. when one plate goes under another
- 13. study of the lands, features, inhabitants, and phenomena of Earth.
- 14. relating to earthquakes or other vibrations of the earth and its crust.
- 15. ocean but three letters
Down
- 1. largest layer of the earth
- 3. type plates that are located beneath the ocean
- 6. the outermost shell of a planet
- 8. the upper layer of the earth's mantle
- 9. molten or semi-molten natural material from which all igneous rocks are formed
- 10. the science that deals with the earth's physical structure and substance, its history, and the processes that act on it.