SOL crossword

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Across
  1. 4. electromagnetic radiations with a frequency
  2. 7. a reflective surface
  3. 10. the distance between successive crests of a wave
  4. 12. The feel, appearance, or consistency of a surface or substance.
  5. 14. change of a solid into a liquid
  6. 15. a miniature semiconductor t
  7. 20. a type of matter with specific properties that make it less rigid than a solid but more rigid than a gas
  8. 21. the degree or intensity of heat present in a substance or object
  9. 23. What alliteration is measured in
  10. 24. the number of waves that pass a fixed point in unit time
  11. 25. the number of hydrogen atoms replaceable by a base in a particular acid.
  12. 26. a semiconductor device that essentially acts as a one-way switch for current
  13. 27. a band of colors
  14. 30. the spreading of waves around obstacles.
Down
  1. 1. a measure of how quickly a specific material is capable of catching fire and burning
  2. 2. a machine by which mechanical energy is changed into electrical energy
  3. 3. the emission of energy as electromagnetic waves
  4. 4. An object which is capable of producing magnetic field and attracting unlike poles and repelling like poles.
  5. 5. The positively charged particles that are inside the nucleus of an atom.
  6. 6. anything that takes up space and can be weighed
  7. 8. A speed in direction
  8. 9. subatomic particles found inside the nucleus of every atom
  9. 11. firm and stable in shape; not liquid or fluid.
  10. 13. an imaginary line about which a body rotates
  11. 16. take in or soak up
  12. 17. a distinctive smell
  13. 18. the property of a sound and especially a musical tone
  14. 19. The rate of change of position of an object in any direction
  15. 22. rate at which velocity changes with time, in terms of both speed and direction
  16. 28. a rotating machine that transforms electrical energy into mechanical energy
  17. 29. the sensation perceived by the sense of hearing