Science Revision Cross Word

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Across
  1. 2. When you travel to a different planet what changes out of your weight or mass?
  2. 4. Finish this definition of the word: A huge ball of ________held together by gravity.
  3. 5. Name one Celestial Body that can be seen in the night sky beginning with M.
  4. 8. What galaxy is the Solar System in?
  5. 9. What Celestial Body do the planets in our Solar System orbit around?
Down
  1. 1. How many moons does the Earth have?
  2. 3. What force can weaken the muscle when you are in space?
  3. 6. What constellation begins with o?
  4. 7. What planet takes 30,687 Earth days to orbit the sun?