PHYSICS

1234567
Across
  1. 2. object that does not allow light pass through ot
  2. 3. object that emit there own light
  3. 5. object that allow some light through it
  4. 6. black color
  5. 7. object that fully allows light to pass through it
Down
  1. 1. object that reflects light
  2. 4. gives off energy