Across
- 2. Longest wavelength waves on the electromagnetic spectrum
- 4. Distance from the middle line of a wave up to the crest
- 8. Bottom point of a wave
- 13. Top point of a wave
- 14. Distance from one crest to the next, measured in meters
- 16. E = hv gives the energy of one of these
- 18. speed of _______ = (wavelength) x (frequency)
- 19. The state an atom is in after it takes in energy
- 20. In 3.00 x 10 to the blank m/s, this exponent spelled out in words
- 21. What electrons do when light of a high enough frequency hits the metal
- 22. Below a certain frequency no electrons come out, no matter this property of the light
Down
- 1. The only part of the spectrum our eyes can see
- 3. Waves just longer than visible light
- 4. What atoms do to energy in order to become excited
- 5. Unit that the energy of one photon is measured in
- 6. Minimum amount of energy that can be gained or lost by an atom
- 7. Waves just shorter than visible light
- 9. What the symbol hv stands for, measured in hertz
- 10. Effect where light of a certain frequency causes metals to eject electrons
- 11. All electromagnetic waves travel at 3.00 x 10 to the 8th m/s in this
- 12. higher frequency = _______ wavelength
- 15. What every element's atomic emission spectrum is, so it can identify the element
- 17. Unit of frequency, also written as s to the negative one
- 18. lower frequency = ________ wavelength
- 23. Acronym for the order of the colors in visible light