Earth Science Crossword

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Across
  1. 3. What is the theory of the origin of the solar system?
  2. 5. What is the largest terrestrial planet?
  3. 6. As the solar nebula collapsed, it became a ___
  4. 7. The largest planet in the solar system is ______
  5. 8. As the solar nebula collapsed under its own gravity, it ______ (relating to tempature)
  6. 10. What are groups of matter smaller than plantes called?
  7. 13. What reaction is in a star creating larger atoms?
  8. 14. The most commonly known planet with a ring is ____
Down
  1. 1. What effect caused everything?
  2. 2. What force brings together matter to create planets.
  3. 4. What is the time interval used to measure the Big Bang?
  4. 6. What causes the acceleration of the expansion of the universe?
  5. 9. What was the first atom?
  6. 11. How many planets are in the solar system?
  7. 12. What is the smallest planet in the solar system?