Across
- 3. Something that is harmful or poisonous.
- 6. The number representing none or nothing.
- 10. A trick to cheat someone and take their money or things.
- 11. Using something again instead of throwing it away.
- 12. Something real and not fake.
- 13. To make something dirty or unsafe by adding harmful substances.
- 15. Free from dirt or mess.
- 18. Using resources in a way that doesn’t harm the environment or use them up completely.
Down
- 1. To burn rubbish to get rid of it.
- 2. A material that breaks down naturally and safely into the environment.
- 4. The materials used to wrap or protect products.
- 5. To separate into pieces or stop working.
- 7. Unwanted or leftover materials.
- 8. A chemical element found in all living things and fuels.
- 9. To throw something out, often in a careless or wrong way.
- 10. To notice or recognize something.
- 14. Turning old materials into something new.
- 15. Decayed food or plants used to help plants grow.
- 16. To change something to make it untrue or fake.
- 17. Created or produced by someone.