Across
- 3. a living organism that feeds on organic matter, typically having specialized sense organs and nervous system and able to respond rapidly to stimuli.
- 5. the regions of the surface, atmosphere, and hydrosphere of the earth (or analogous parts of other planets) occupied by living organisms.
- 7. any of the almost spherical concentric regions of matter that make up the earth
- 8. a precious stone consisting of a clear and colorless crystalline form of pure carbon, the hardest naturally occurring substance.
- 10. the basic unit of a chemical element
- 11. a bright green precious stone consisting of a chromium-rich variety of beryl.
- 12. the envelope of gases surrounding the earth or another planet.
Down
- 1. study of rocks
- 2. material substance that constitutes the observable universe
- 4. what the taj mahal is made of
- 6. 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.
- 9. the matter from which a thing is or can be made
