Light & Matter Unit

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Across
  1. 2. light bumps into tiny particles of matter and spreads out in all directions
  2. 5. anything that has mass and takes up space
  3. 8. physical representation of something
  4. 10. Mirror appears reflective & transparent as a result of half-silvering
  5. 12. ability to see things far away, but not up close
  6. 13. matter transmits light without scattering it
  7. 15. light reflects on a smooth surface at a definite angle
  8. 16. controls how much light enters the eye
  9. 17. light reflects on a rough surfaces in all directions
  10. 18. form of energy that moves in straight lines as particles & waves
Down
  1. 1. material composed of carbon nanotubes that absorbs more than 99.96% of light
  2. 3. light transfers its energy to matter
  3. 4. responsible for focusing light entering the eye
  4. 6. ability to see things up close, but not far away
  5. 7. light bounces back from a surface
  6. 9. light changes speed & direction as it passes through matter
  7. 11. light passes through matter
  8. 13. matter transmits light, but scatters the light as it passes through
  9. 14. matter does not let any light pass through it