Sun, Moon Earth and the Solar System.

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Across
  1. 2. The hottest planet.
  2. 5. Causes day and night.
  3. 7. The first planet from the sun.
  4. 9. The smallest planet in the solar system.
  5. 10. system Where all the planets revolve.
  6. 12. Gives us heat.
Down
  1. 1. Causes seasons.
  2. 3. Planets The first 4 planets from the sun
  3. 4. Occur 2 times a day.
  4. 6. The biggest planet in the solar system.
  5. 8. The largest of the inner planets.
  6. 11. Giants The last 4 planets.