science

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Across
  1. 3. – Scientist who described the behavior of electromagnetic waves
  2. 8. – The range of all EM waves
  3. 10. – EM wave that can cause sunburn
  4. 11. – The part of the EM spectrum with long wavelengths
  5. 12. – Unit used to measure frequency
  6. 16. – A tiny packet of light energy
  7. 17. – The visible part of the electromagnetic spectrum
  8. 18. – Navigation system that uses satellite signals
  9. 20. – System that detects objects using radio waves
  10. 25. – When light bounces off a surface
  11. 26. – A straight line that shows the direction of light
  12. 27. – EM waves with the highest frequency
  13. 30. – The height of a wave from its rest position
  14. 31. – Toll system that uses RFID to read vehicles
  15. 33. – Any material that a wave travels through
  16. 36. – Light color with the shortest wavelength
  17. 37. – Long-wavelength EM waves used for broadcasting
  18. 38. – How many waves pass a point each second
Down
  1. 1. – The distance between two matching points on a wave
  2. 2. – A space with no matter, where light travels fastest
  3. 4. – Science prize given for major discoveries
  4. 5. – The part of the spectrum humans can see
  5. 6. – Part of the “CAT scan,” a medical imaging method
  6. 7. – A lamp that gives off ultraviolet light
  7. 9. – Energy traveling as waves or particles
  8. 13. – The part of the EM spectrum with short wavelengths
  9. 14. – EM waves felt as heat
  10. 15. high – Frequency range used for TV broadcasting and mobile phones
  11. 19. – A shape that splits white light into colors
  12. 21. – Tag technology that uses radio waves for scanning
  13. 22. – High-energy wave used for imaging bones
  14. 23. – When light bends as it moves into a new medium
  15. 24. – A measure formed by two lines meeting at a point
  16. 28. – Barcode system using lines read by a scanner
  17. 29. – Short for microwaves, used in ovens and radar
  18. 32. – Light color with the longest wavelength
  19. 34. – To remove or add electrons to an atom
  20. 35. – Scan that uses strong magnets and radio waves
  21. 36. high – Frequency range used in FM radio and TV signals