Across
- 2. changes, modifications
- 3. a scientist who deals with physics
- 5. physically injure
- 8. strange, unusual
- 10. to........scans
- 12. .......-free fuel
- 16. a handheld device used for waving
- 18. in the end
- 19. to give out steady light without flame
- 20. to.....experiment
Down
- 1. a path for a moving or flying object
- 4. a large ductless gland in the neck
- 6. a ray or shaft of light
- 7. to start, to release, to trigger
- 9. thrombus
- 11. an triangular object hollow inside
- 13. a series, an arrangement of things
- 14. thick,closely compacted in structure; stupid
- 15. to hit by accident while moving
- 17. often worn in the kitchen