Unit 1 Lessons 3 & 4 Vocabulary - Waves

Edit Answers
12345678910111213141516171819202122232425262728293031323334
Across
  1. 2. light completely transmits through; clear plastic wrap
  2. 3. bottom of the transverse wave
  3. 4. when a wave hits a medium boundary and passes through it
  4. 5. when a wave hits a medium boundary and bends or changes direction
  5. 9. top of the transverse wave
  6. 10. ability to do work
  7. 11. used to measure light intensity or brightness
  8. 13. colors of the visible light spectrum
  9. 15. third lowest frequency band of EM spectrum; used in thermal imaging
  10. 17. wave that requires a medium to travel through; transverse and longitudinal waves
  11. 18. has mass and takes up volume; solid, liquid, or gas
  12. 19. where two or more media meet
  13. 21. device made of mirrors and pieces of colored glass
  14. 25. highest frequency band of EM spectrum; used in nuclear imaging and weapons
  15. 27. light partially transmits through; wax paper
  16. 29. when a wave hits a medium boundary and bounces off of it
  17. 30. waves that do not require a medium to travel through
  18. 31. part of the EM spectrum that we see; ROYGBIV
  19. 34. third highest frequency band of EM spectrum; used to kill bacteria/sterilize medical equipment
Down
  1. 1. when combined makes white light; red, blue, and green
  2. 4. type of mechanical wave where the particles vibrate perpendicular to the wave direction
  3. 5. lowest frequency band of the EM spectrum; used for communication
  4. 6. one wave cycle; crest to crest; trough to trough; measured in m
  5. 7. the result of primary colors being added together; magenta = blue + red; cyan = green + blue; yellow = red + green
  6. 8. second lowest frequency band of EM spectrum; used to cook foods quickly
  7. 12. light does not transmit through; aluminum foil
  8. 14. second highest frequency band of EM spectrum; used to look at bones and teeth
  9. 16. composed of 7 types of electromagnetic waves
  10. 20. height of the transverse wave; rest position to crest; rest position to trough
  11. 22. when a wave hits a medium boundary and transfers its energy to it
  12. 23. when two primary colors add together to make a secondary color
  13. 24. number of waves per second; measured in Hz
  14. 26. in a vacuum, light travels at 300,000,000 m/s
  15. 28. absence of a medium; outer space
  16. 32. medium that transmits some wavelengths but absorbs others
  17. 33. object with identical bases and rectangular faces; splits white light into primary colors