Week 7

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