physical science

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Across
  1. 2. lens a lens that is ticker in the center of the edges
  2. 3. term used to describe a material that transmits light
  3. 5. on image of distant object caused by refraction of light as it travels through air of varying temperatue
  4. 6. term used to describe a material that reflect or absorbs all light that strikes it
  5. 7. of refraction the measure of how much a ray of light bends it enters a new medium
  6. 8. a curved piece af glass or other transarent, material that is used to refract light
Down
  1. 1. lens a lens that is thiner in the center than in the edges
  2. 3. term used to describe a material that scatters light as it passes throgh
  3. 4. satraight line used to represent a light wave
  4. 7. A coy of anobject formed by reflected or retract rays of light