E7E 1.4 - The Sun and the Earth

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Across
  1. 3. refers to the full range of frequencies for _________ radiation
  2. 4. waves that cause sunburns
  3. 5. waves used in medical imaging to diagnose health issues
  4. 8. the only waves of light humans can see
  5. 12. the combining of atoms to produce energy (found naturally in the sun)
  6. 14. the splitting of atoms to create energy
  7. 15. the spinning of the earth on its own axis
Down
  1. 1. highest energy waves; can cause cancer
  2. 2. waves used to heat water molecules in food; often used when cooking.
  3. 6. the circling of the earth around the sun
  4. 7. Low tide after a quarter moon
  5. 9. High tide during a full or new moon
  6. 10. waves used in thermal imaging and meterology
  7. 11. longest and lowest energy waves; used in communications
  8. 13. the earth is always ____ed 23.5 degrees