Across
- 6. skin works as respiratory organ of the animal
- 7. energy possessed by a body in motion
- 8. invented periodic table
- 10. purest form of carbon
Down
- 1. Bird that flies backward
- 2. Person who discovered X Ray's
- 3. Merry thought bone in birds
- 4. unit for measuring the amplitude of a sound
- 5. non metal that remains liquid at room temperature
- 9. produces the fluid known as bile