Across
- 2. where your body puts food after eating it
- 4. the identification of the substances of which matter is composed
- 6. the interactions of substances as studied in chemistry.
- 7. royalty
- 9. a animal that can change colours
- 10. somewhere to save emails
- 11. a person engaged in chemical research
Down
- 1. a group of people that play music at an opera
- 3. the application of scientific knowledge for practical purposes, especially in industry.
- 5. a person who repairs and maintains machinery.
- 8. a chemical to clean pools
- 11. when everything goes crazy