CE Science crossword

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Across
  1. 4. How does electricity travel( it has 5 letters)
  2. 6. What do you call an object that light doesn’t pass through
  3. 8. What do you call something that only partly lets light travel through it?
  4. 9. N in mrs Gren stands for?
  5. 10. What do you call something that completely let’s light travel through it?
Down
  1. 1. What does S in Mrs Gren stand for?
  2. 2. What does the M in Mrs Gren stand for
  3. 3. Light is a form of energy Made of
  4. 5. What makes light travel
  5. 7. What Is the first Tube in the digestive system