FS-Unit 5-Matter and Glass

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Across
  1. 3. the bending of light waves as they pass from one medium to another
  2. 6. the spectrum of light encompassing the the entire rang of radiation energy from the most energetic cosmic rays to the least energetic radio waves
  3. 8. a solid in which the constituent atoms or molecules are arranged in random or disordered positions(no regular order)
  4. 11. a change of state from a solid to a gas
  5. 12. a visual indication of the fact that objects absorb certain portions of visible light and transmit or reflect others
  6. 13. a bright halo observed near the border of a particle immersed in a liquid of a different refractive index
  7. 14. a physical property of matter that is equivalent to the mass per unit volume of a substance
  8. 16. refractive_____is the ratio of the speed of light in a vacuum to its speed in a given substance
  9. 17. a small packet of electromagnetic radiation energy.
  10. 18. all things of substance, composed of atoms or molecules
Down
  1. 1. a difference in the two indices of refraction exhibited by most crystalline material
  2. 2. a type of solid in which the constituent atoms have a regular arrangement or atoms
  3. 4. the force with which gravity attracts a body
  4. 5. a measure of heat intensity in a substance
  5. 7. a type of fracture in glass that extends outward like the spoke of a wheel from the point at which the glass was struck
  6. 9. a type of fracture characterized by a crack in glass that forms a rough circle around the point of impact
  7. 10. the distance between crests of adjacent waves
  8. 15. the number of waves that pass a given point per second
  9. 18. a constant property of matter that reflects the amount of material present