Chapter 21 Lesson 1-2 Crossword Puzzle

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Across
  1. 4. Planet with clouds made of acid
  2. 5. Planet does not have an atmosphere
  3. 6. We use this to measure distance in space
  4. 7. Dust Icy objects that come from outer space.
  5. 8. The Time it takes a Planet to orbit the Sun
  6. 9. Reddish Colored Planet
  7. 10. Planet Supports Life
Down
  1. 1. Planets that are all in a orbit together
  2. 2. Planets made of rock and metal
  3. 3. The Time it takes a Moon to orbit it's planet