Across
- 4. - One that serves as a model or example
- 5. - the state in which something exists, the physical state of something
- 6. - A fuel formed in the earth from plant or animal remains
- 11. - Numbered or proceeding by tens
- 12. - A careful preservation and protection of something
- 13. - the writings of a poet
- 14. - of or relating to digestion
- 18. - A device used to produce music
- 19. - a wheel or set of wheels that is used with a rope, chain, etc., to lift or lower heavy objects
- 20. - of or relating to breathing or the organs of the body that are used in breathing
Down
- 1. - an imaginary circle around the middle of the Earth that is the same distance from the North Pole and the South Pole
- 2. - A sorting diagram named after Lewis Carroll mathematician and the attributes of two or more categories.
- 3. -The action or process of clearing of forests
- 7. - of or relating to a skeleton
- 8. - The main trunk of the system of tubes by which air passes to and from the lungs in vertebrates
- 9. - the difference between the direction of two lines or surfaces that come together
- 10. - Imparting knowledge
- 15. - Capable of being physically or emotionally wounded
- 16. - The gaseous envelope of a celestial body (such as a planet)
- 17. - the tube that leads from the mouth through the throat to the stomach