Across
- 2. area of close particles on a longitudinal wave
- 3. type of wave that needs a medium
- 4. stops the flow of electrical current
- 7. waves that do not need a medium
- 9. type of current that travels in both directions
- 10. type of electrical circuit with more than one path
- 13. type of current that only travels in one direction
- 14. measure from crest to crest in a wave
Down
- 1. type of electromagnetic wave
- 2. allows the flow of electrical current
- 5. electrical circuit that only has one path
- 6. common metal used in electrical wires
- 8. mechanical waves move fastest through this state of matter
- 11. height of a wave
- 12. slows the flow of electrical current