Across
- 2. The science of substances and how they change
- 4. Complete confusion or disorder
- 7. The use of science to create tools and machines
- 8. Very disordered or confused
- 11. A chemical often used to clean water
- 12. A plant-like growth found on rocks or trees
- 15. A collection of important records or documents
- 17. A lizard that can change colour to blend in
Down
- 1. A place where children go to learn
- 3. A person who studies or works with chemicals
- 5. A plan or organised idea
- 6. A king or queen
- 8. A substance made by or used in chemistry
- 9. A large group of musicians playing together
- 10. A group of singers or the repeated part of a song
- 13. The part of the body where food is digested
- 14. A sound that is repeated after bouncing off a surface
- 16. A person who repairs machines or engines