time measurement

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Across
  1. 2. -the round object we see in the night sky
  2. 3. -the bright star that gives us light in the daytime
  3. 4. -an old time tool that uses the sun and shadow
Down
  1. 1. a timer that uses sand falling from one part to another
  2. 2. -clock a clock that works with gears and springs
  3. 3. -a dark shape made when light is blocked
  4. 5. clock a =clock that shows time with numbers on a screen