Stars, Galaxies, and Review

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Across
  1. 3. The color of a star that comes right before the hottest star color.
  2. 4. A ratio of mass to volume; measures how compact a substance is.
  3. 5. The type of change caused by melting ice.
  4. 8. The variable YOU choose to change in an experiment.
  5. 12. A galaxy with a round or oval shape.
  6. 15. A galaxy with arms that looks like a pinwheel.
  7. 17. A forces that pulls or stretches.
  8. 19. The color for the hottest stars.
  9. 20. A unit of measurement when discussing the distances between stars.
  10. 21. The theory of how the universe began.
Down
  1. 1. A type of spiral galaxy with a bar through the center.
  2. 2. This force created all of the stars and planets.
  3. 6. A force used when giving a big hug.
  4. 7. The color for the coolest stars.
  5. 9. The variable you MEASURE in an experiment.
  6. 10. Speed and direction
  7. 11. A force that acts in liquids.
  8. 13. A galaxy with no true shape.
  9. 14. The type of change caused by baking a cake.
  10. 16. A force that opposes motion.
  11. 18. A round ball of hot gas.
  12. 22. A collection of stars, planets, dust, and empty space.