Radiation

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Across
  1. 3. nuclear energy comes from the ______ of atoms
  2. 6. radiation waves used to cook food
  3. 7. the distance between one peak to another in a wave
  4. 11. the longest type of electrogmagnetic radiation wave
  5. 14. the building blocks for all matter
  6. 15. the neturally charged particles in atoms (check your notes!)
  7. 17. light, sound, ______, and x-rays are examples of radiation
  8. 19. the type of radiation that cannot travel through empty space
  9. 20. the radiation type that comes from space
  10. 21. when radiation carries a lot of ______ it can be dangerous
  11. 22. the negatively charged particles in atoms (check your notes!)
Down
  1. 1. the positively charged particles in atoms (check your notes!)
  2. 2. a radiation wave type that we think of as heat
  3. 4. sound travels slower than ______
  4. 5. the wavelegth that can make pictures of something inside something else. Like bones in the body.
  5. 8. shockwaves, called seismic waves, travel through the ______ causing the ground to shake
  6. 9. an example of mechanical radiation
  7. 10. sound is made by a _______ object
  8. 11. energy that moves from one place to another
  9. 12. the wavelength of light that we can see
  10. 13. wavelegths that have more energy and can be more harmful for the body
  11. 16. there are different types of radiation: electromagnetic, mechanical, ______, and cosmic
  12. 18. the shortest type of electromagnetic radiation wave