Space!

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Across
  1. 4. The Sun and all the planets, moons, and objects that move around it.
  2. 5. A large round object in space that orbits (moves around) a star.
  3. 9. Suitable (good enough) for people, animals, or plants to live in
  4. 11. The layer of gases that surrounds a planet
Down
  1. 1. Everything that exists in space — all of space, stars, planets and galaxies
  2. 2. A gas in the air that living things need to breathe and stay alive
  3. 3. The different forms that matter can take, like solid, liquid, and gas.
  4. 4. Matter that keeps its shape and does not easily change form.
  5. 6. Matter that can flow and take the shape of its container.
  6. 7. A force that pulls objects toward each other, like pulling us toward Earth.
  7. 8. Matter that spreads out to fill the space around it and is often invisible.
  8. 10. Something useful that people can use to live, grow, or make things