Across
- 6. – Breaking down food in the body.
- 7. – Breakdown of organic material over time.
- 8. – Heating food and changing its chemical structure.
- 9. – A chemical reaction with oxygen.
Down
- 1. – A metal loses its shine due to a chemical reaction.
- 2. – A rapid release of energy in a reaction.
- 3. – The process that turns sugar into alcohol.
- 4. – A substance reacts with oxygen and produces heat and light.
- 5. – Breaking down organic matter into simpler substances.