Across
- 2. *speed at which waves travel
- 7. waves that do not require a medium, so they can travel in a vacuum
- 10. *the way frequency is expressed
- 11. a ______is a material through which a wave travels
- 12. *is a disturbance that transfers energy from one place to another
- 13. wave speed/frequency
- 14. *time required for one cycle
- 15. distance/time
Down
- 1. are the crests that spread out more than one dimension that are drawn as circles or spheres
- 3. *tells how many cycles occur in an amount of time
- 4. all waves carry ______ from one place to another
- 5. these are waves that can carry enough energy to damage human tissue
- 6. is a wave that requires a medium through which to travel
- 7. an _____ is a disturbance in electric and magnetic fields
- 8. *is a measure of how far the particles on the medium move away from their
- 9. wave length/wave period