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Across
  1. 4. /a packet of electromagnetic energy (photon) emitted by the nucleus of some radionuclides following radioactive decay.
  2. 8. the range of frequencies of electromagnetic radiation and their respective wavelengths and photon energies.
Down
  1. 1. its wavelength is shorter than the violet end of the spectrum of visible light.
  2. 2. are part of the electromagnetic spectrum.
  3. 3. a type of electromagnetic radiation,
  4. 5. light/the wavelengths that are visible to most human eyes.
  5. 6. a type of electromagnetic radiation with wavelengths in the electromagnetic spectrum longer than infrared radiation.
  6. 7. type of radiation called electromagnetic waves.