Across
- 2. changing continuously (8)
- 4. A poem or word puzzle in which the letters in each line form a word (8)
- 5. Part of a whole number, answer to a fraction (7)
- 7. Several mechanical parts, moving together to complete a task (8)
- 9. beyond limit, too much (7)
- 14. Frozen droplet (5)
- 16. pollution from factory or vehicle (8)
- 18. a tool to lift heavy objects (6)
- 19. Transfers food from the throat for digestion (10)
- 20. making clean and hygienic (8)
Down
- 1. Revise (12)
- 3. required to calculate the area of a rectangle (7)
- 6. requiring force to move (7)
- 8. Spring, summer, rainy (6)
- 10. reply or revert (8)
- 11. resistance between objects or surfaces (8)
- 12. Movement of an object around an axis (10)
- 13. filter in the body (6)
- 15. weather that is hot and humid (8)
- 17. A result of dividing one number by another (8)