Across
- 1. important or very serious
- 3. unimportant or small
- 6. exactly the same
- 7. something that can be reused forever
- 8. to say or notice
- 10. the natural world
- 11. to cause or create
- 15. the ability to do work
Down
- 2. something done successfully by skill
- 4. a respectful argument
- 5. something that is very silly or unreasonable
- 9. the way you take to get somewhere
- 12. something we will eventually run out of
- 13. consistently good, trustworthy
- 14. to put someone or something in danger