Science review

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Across
  1. 2. Animals that live in caves may not have ____.
  2. 3. When a volcano erupts under water many times, it may form an ________.
  3. 5. The largest planet.
  4. 9. You live here.
  5. 10. The star closest to us
  6. 12. Melted rock under the ground.
  7. 13. When a planet moves around the sun.
  8. 14. The Asteroid _______.
  9. 17. When a star dies, it may form a _____ hole.
  10. 18. Caused by tectonic plates moving.
Down
  1. 1. The hottest planet
  2. 3. This type of rock forms under a volcano.
  3. 4. The dust from volcanoes.
  4. 6. Isn't a planet anymore.
  5. 7. A group of stars that make a shape.
  6. 8. Melted rock above the ground.
  7. 11. The _____ cycle.
  8. 15. The middle of the Earth is its _____.
  9. 16. The ______ way.