The Origin and Structure of the Earth

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Across
  1. 3. The star at the center of our solar system.
  2. 6. A belief that the universe was created by a divine being.
  3. 9. A theory that many universes exist beyond our own.
  4. 11. A theory that the universe goes through cycles of expansion and contraction.
  5. 13. The third planet from the Sun; our home.
Down
  1. 1. The totality of space, time, matter, and energy.
  2. 2. Giants Large planets made mostly of gas, like Jupiter and Saturn.
  3. 3. An outdated theory that says the universe is unchanging.
  4. 4. The layer of gases surrounding a planet.
  5. 5. The most widely accepted theory of how the universe began.
  6. 7. Massive systems of stars, gas, and dust, like the Milky Way.
  7. 8. Way The galaxy that contains our solar system.
  8. 10. The largest planet in our solar system.
  9. 12. System A group of planets and celestial bodies orbiting a star.
  10. 14. Planets made mostly of rock, like Earth and Mars.