Space Science

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Across
  1. 2. When all forces are equal and cancel each other.
  2. 4. When all forces are not equal and do not cancel each other.
  3. 8. The only star in our solar system.
  4. 10. Object orbits around another object.
  5. 11. A very large group of stars and planets.
  6. 12. It takes the moon 28 days to complete each of these.
Down
  1. 1. A push or pull that has strength and direction.
  2. 3. Force that pulls all objects to the center of the Earth.
  3. 5. Object spins on an axis.
  4. 6. A burning sphere of gases that gives off light.
  5. 7. The galaxy that includes our solar system.
  6. 9. All the things that exist in space.