Across
- 4. To save e.g. energy
- 6. How long something takes
- 9. Opposite of clockwise
- 11. A three dimensional measurement
- 13. Two weeks
- 14. To keep alive or in existence
- 15. Opposite of forwards
- 18. At a later part in time
- 20. Harmful to the environment
- 22. Make bigger
- 23. How good something is
- 24. Prize after achieving something
Down
- 1. Depth of liquid
- 2. Used in specifying the hour of the day
- 3. Brought into social contact
- 5. Equivalent
- 7. A number of things or parts working together
- 8. Smaller than a centimetre
- 10. An informed guess
- 12. Direction
- 16. Completely destroy
- 17. The start
- 19. How many
- 21. Childish argument
