Across
- 2. disturbance
- 3. substance
- 5. a natural phenomenon
- 9. basic unit
- 11. vibration
- 12. branch of science
- 15. resistance
- 18. mass of a material
- 19. place without air
- 20. body of knowledge
- 21. point of wave
- 22. lift heavy things easily
- 23. is the straight line
- 24. a nuclear reaction
- 25. derive unit
- 26. strength
- 27. knowledge of nature
Down
- 1. converts rotational
- 2. triangular shape
- 3. position of a body
- 4. transformed energy
- 6. the rate at which an object change
- 7. derived unit of energy
- 8. lift some things
- 10. branch of physics
- 13. collective of groups
- 14. is a measure of how quickly an event occurs
- 16. interdisciplinary science
- 17. speed over time
- 23. a numerical description