effects of light

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Across
  1. 2. the eclipse when earth is between the moon and the sun
  2. 4. Light travels in a ________ line.
  3. 5. the fainter part of the shadow.
  4. 7. the light that is scattered more in the atmosphere.
Down
  1. 1. when a star or a planet is behind the moon.
  2. 3. the day when sun is exactly overhead and no shadow is seen.
  3. 4. the eclipse where moon is between the sun and the earth.
  4. 5. the _________ source of light when it comes through a small hole.
  5. 6. the dark shadow formed by point source of light.