electricity and waves

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Across
  1. 2. The time required for one complete vibration of a particle in a medium.
  2. 3. A material that connects the parts of the circuit together and carries electric current
  3. 4. When a wave is reflected from a surface, the angle of reflection is equal to the angle of incidence.
  4. 5. Waves that cause the particles in a medium to vibrate parallel to the direction of wave motion.
  5. 7. a circuit containing a source of energy and at least one conductor. It may also include a switch, which opens or closes a gap in the circuit.
  6. 10. The passage of light through an object.
  7. 13. the flow of electrical charges through a material
  8. 14. a measure of the electrical force provided by an energy source
  9. 17. a material that resists the flow of an electric charge
  10. 18. provides energy to move electric charges through a circuit
  11. 19. Waves that require a Medium is called
  12. 21. a map of a circuit
  13. 22. What do like charges do?
  14. 25. magnets that carry electrical current
  15. 27. Matter through which a wave travels is called
  16. 28. Low point of a traverse wave
  17. 29. controls the flow of charges by closing or opening a gap in the circuit
Down
  1. 1. a large discharge of static electricity
  2. 2. a more complex type of circuit having more than one branch or pathway and not all branches have to be at the same time
  3. 6. High point of a transverse wave
  4. 8. Waves in which the motion of the particles are perpendicular to the motion of the wave is called
  5. 9. Occurs when waves that overlap combine, forming a new wave.
  6. 11. a material through which an electric charge can easily move
  7. 12. a type of circuit having more than one resister by an energy source
  8. 15. The greatest distance that particles displaced form their normal resting position is called
  9. 16. a material used to reduce or prevent the transfer of electricity
  10. 20. Changing electric and magnetic fields are called
  11. 23. Number of wave Length that passes a point in a given time interval
  12. 24. The distance from one crest to the nextor from one troughs to the next
  13. 26. The change in direction of a wave that occurs as the wave changes speed when moving from one medium to another.