Earth Matters Ch 1

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Across
  1. 1. Earth’s is almost circular
  2. 5. it has no like, equal, or parallel
  3. 6. the bishop who thought Earth was created in 4004 BCE
  4. 8. the most widely accepted theory about how the universe came to be
  5. 10. a planet’s mass affects them
  6. 11. a protoplanet of our solar system
  7. 12. of the Middle Ages
  8. 15. primitive planet
  9. 17. it’s on Earth in liquid form
  10. 18. they rotate around planets
  11. 20. small remaining quantity
  12. 21. it’s 4.6 billion years old
Down
  1. 2. system of ideas explaining something
  2. 3. it travels at 299 792 km per second
  3. 4. a planet’s mass affects it
  4. 7. energy as electromagnetic waves
  5. 9. a planet’s mass affects it
  6. 11. our galaxy
  7. 13. a protoplanet of our solar system
  8. 14. a protoplanet of our solar system
  9. 16. dist light travels in 1 year
  10. 19. independent systems of stars, gas and dust