Physics Crossword

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Across
  1. 4. Non see through object
  2. 5. When light bounces off an object
  3. 7. An object that is slightly see through
  4. 8. It occurs when an object has blocked the light source
  5. 9. Light travels ______ than sound
  6. 10. It flows through wires
Down
  1. 1. When an object looks different in water
  2. 2. It helps you see
  3. 3. When you can see through the object
  4. 6. It can come from the sun