Across
- 2. the mostly-solid bulk of Earth's
- 3. the regions of the surface, atmosphere, and hydrosphere of the earth (or analogous parts of other planets) occupied by living organisms.
- 5. a set of things working together as parts of a mechanism or an interconnecting network.
- 6. relating to earthquakes or other vibrations of the earth and its crust.
- 8. all the waters on the earth's surface, such as lakes and seas, and sometimes including water over the earth's surface, such as clouds.
- 10. liquid, iron-nickel layer of the Earth between the solid inner core and lower mantle
- 13. the envelope of gases surrounding the earth or another planet.
- 14. a process that raises or builds up the surface features of the Earth.
- 15. coarse- or medium-grained intrusive igneous rock
Down
- 1. the strength and vitality required for sustained physical or mental activity.
- 3. a fine-grained basic igneous rock composed of calcic plagioclase and augite
- 4. any of the almost spherical concentric regions of matter that make up the earth and its atmosphere, as the lithosphere and hydrosphere.
- 7. the outermost shell of a terrestrial planet
- 9. continuous physical force exerted on or against an object by something in contact with it.
- 11. hot, dense ball of (mostly) iron.
- 12. a process that lowers or tears down the surface features of the Earth.