Quiz Review: Scale of the Universe

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Across
  1. 2. Gravity keeps the planets in ____ around the sun.
  2. 3. As distance increases (moving farther away), gravitational force ___.
  3. 7. If you travel to the moon, your mass would not change but your ____ would be less.
  4. 9. A star and all the objects that orbit that star
  5. 12. The shape of our galaxy
  6. 13. As mass increases, gravitational force ____.
  7. 14. Our solar system orbits the ____ of our galaxy.
Down
  1. 1. Anything that has mass and volume
  2. 4. Heat and light
  3. 5. Everything that exists
  4. 6. Huge balls of glowing gas that produce heat and light
  5. 8. A huge group of billions of stars, gas and dust
  6. 9. The closest star to Earth
  7. 10. A force that attracts all objects to one another
  8. 11. The name of our home galaxy