Formation of the Solar System Grade 8

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Across
  1. 2. Jupiter, Saturn, Neptune, and Uranus are all composed of ____.
  2. 3. The is the smallest planet in the solar system, with a very thin atmosphere.
  3. 4. This section of the sun spins the fastest.
  4. 6. A flaten ________ disk began to spin with hotter matter near the center.
  5. 7. This is the hottest planet due to its' thick atmosphere.
  6. 11. A giant cloud of gas and dust in space is called a _____.
  7. 12. The Spinning in space is due to this.
  8. 13. The first four planets are Terrestrial planets, or with a ______ surface.
  9. 14. Nuclear _______ is the process that powers the Sun
Down
  1. 1. This model has thes sun in the center of the solar system.
  2. 2. This model has the Earth in the center of the Solar System.
  3. 5. This planet is known for its Giant red spot that is believed to be a hurricane.
  4. 8. The orbits of the solar system are shaped like an _______ NOT A CIRCLE.
  5. 9. This planet is known for its rocky rings that go around the planet.
  6. 10. First there was a giant cloud of gas and ______.