What d you remember?

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Across
  1. 6. A map projection that represents the Earth on a flat surface
  2. 8. A large land on Earth
  3. 11. The hot, solid center of the Earth
  4. 14. The layer under the crust
Down
  1. 1. A SMALL BODY THAT ORBITS THE SUN
  2. 2. The star at the center of our solar system
  3. 3. water covering most of Earth's surface.
  4. 4. A rocky object that orbits the Sun but is smaller than a planet
  5. 5. A representation of Earth in a round form.
  6. 7. A celestial body that orbits a star.
  7. 9. The layer between the mantle and the inner core
  8. 10. A natural satellite that orbits a planet.
  9. 12. the Earth is covered by the
  10. 13. A collection of billions of stars