Across
- 4. An organ in the body where food is digested
- 6. A person who repairs machines, especially engines
- 7. A heavy object used to keep a ship in place
- 9. A place where students learn
- 10. A plan or arrangement for achieving something
- 11. A scientist who studies or works with chemicals
- 13. The science of substances and how they interact
- 15. A large group of musicians playing together
- 17. In a state of complete confusion and disorder
- 18. A type of flowering plant with beautiful blooms
Down
- 1. A substance used in or made by a chemical process
- 2. The use of scientific knowledge for practical purposes
- 3. The male head of a family or tribe
- 5. A group of singers or the refrain in a song
- 8. Complete disorder and confusion
- 12. A sound that reflects off surfaces and returns
- 14. The female head of a family or tribe
- 16. Securing firmly in position