Across
- 2. elastic wave in the earth produced by an earthquake
- 5. the geological features of an area
- 8. the mostly-solid bulk of Earth's interior
- 11. the action or process of differentiating.
- 13. rock that has undergone transformation
- 14. 1000 meters
- 16. region surrounding the earth or another astronomical body
- 17. the outermost shell of a terrestrial planet.
- 18. each of two regions of intense radiation partly surrounding the earth
Down
- 1. instrument that measures details of earthquakes
- 3. the structure of the earth's crust
- 4. rock consisting of quartz, mica, and feldspar
- 6. tending to spend much time seated; somewhat inactive.
- 7. rock plagioclase with pyroxene and olivine.
- 9. hot center of Earth, another planet, or a star
- 10. flow of charged particles from the sun
- 12. having solidified from lava or magma.
- 15. change direction when it enters at an angle.