Light and Matter

123456789101112131415161718
Across
  1. 1. blocks lights; not able to be seen through
  2. 5. to cause or allow something, such as light or force, to pass or be conveyed through space or a medium
  3. 6. the movement of energy from one place to another
  4. 7. the number of wavelengths that travel past a point in one second
  5. 11. the height from rest to crest or rest to trough
  6. 13. semitransparent; allowing some light to pass through
  7. 14. radiation the flow of energy at the speed of light through empty space or a medium in the form of waves through electric and magnetic fields
  8. 15. source something that emits light, typically through some kind of reaction occuring within it
  9. 16. to throw back without absorbing
  10. 17. to take in or soak up by chemical or physical action
  11. 18. the distance from one crest to another crest
Down
  1. 2. spectrum the full range of all wavelengths
  2. 3. allowing light to pass through
  3. 4. an optical illusion in which light bends through one or more layers of air, altering the position or orientation
  4. 8. to cause something, such as light to reflect or travel in multiple, often random, directions
  5. 9. deflection of waves as they pass from one medium to another
  6. 10. visible electromagnetic radiation
  7. 12. a measure of the clarity of water