HEAT AND LIGHT

12345678910111213141516
Across
  1. 2. bending of light
  2. 5. lens that curve out wards
  3. 6. lens that curves inwards
  4. 9. an object that releases or emits light is
  5. 12. the part of the eye on which an image forms
  6. 13. light is a form of energy called _______ radiation
  7. 16. heat transfer can occur through a vacuum
Down
  1. 1. heat transfer through a liquid or gas
  2. 3. rays of light do not cross when producing this type of image
  3. 4. instrument used to measure temperature
  4. 7. a transparent piece of plastic or glass that is shaped to curve out wards or inwards
  5. 8. what light does when it hits a mirror
  6. 10. energy that enables us to see
  7. 11. rays of light do cross when forming this type of image
  8. 14. a substance that allows heat to flow through it
  9. 15. a measure of how easily light passes through a material is called it's _________ index