Lesson 10: Light of the World

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Across
  1. 7. how we describe an object that light cannot pass through
  2. 8. energy produced by the joining of nuclei in an atom TWO WORDS
  3. 10. an area of blocked light
  4. 11. a popular type of light made from a semiconductor THREE WORDS
  5. 13. energy that travels through space and reaches us as heat, light and radiation TWO WORDS
  6. 14. the colors we can see TWO WORDS
Down
  1. 1. the type of light that has shorter wavelengths that we can't see with our naked eye
  2. 2. a property of light that causes it to bounce off things
  3. 3. how we describe a material that allows nearly all the light to pass through
  4. 4. energy that travels in all directions. TWO WORDS
  5. 5. the colors we can't see TWO WORDS
  6. 6. light created with a flowing filament TWO WORDS
  7. 9. how we describe a material that scatters light, making it difficult to see clearly through it
  8. 12. the bending of light
  9. 15. light that has longer wavelengths and generates heat