Light

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Across
  1. 4. The coloured part of the eye
  2. 6. A dark shape made on the ground or a wall when something blocks the light.
  3. 10. The process in which light waves bounce off a surface and change direction without being absorbed.
  4. 11. An object lets some light pass through, but things on the other side look fuzzy and unclear.
  5. 13. The bending of light as it moves from one transparent material to another
Down
  1. 1. Light that humans can see
  2. 2. A straight path or beam that light takes as it travels from a source (like the sun or a flashlight) through space.
  3. 3. An object lets no light pass through it, and you cannot see through it at all
  4. 5. Light that comes from nature and is not made by people
  5. 6. Uses the power of the Sun to tell the time.
  6. 7. Light that comes from a man made source
  7. 8. Famous scientist who invented the colour wheel - Isaac
  8. 9. Light travels in a _ line.
  9. 12. Light passes completely through an object, and you can see a clear picture of what is on the other side.