Planet Earth & Beyond

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Across
  1. 4. Objects in space that are luminous in the night sky.
  2. 6. ______ of the moon are the changing patterns of sunlight on the moon.
  3. 7. South Africa is a part of which continent?
  4. 8. A cool, round object that always orbits around the Earth.
  5. 10. The upper layer of the Earth in which plants grow. Sand that is mixed with dead or rotting material
  6. 12. The expanse of saltwater, smaller than saltwater's surfaces.
  7. 14. One of the seven main large pieces of the Earth's surface.
  8. 16. Unending darkness beyond the Earth's atmosphere.
  9. 18. An interesting or distinctive attribute of something.
  10. 20. The layer of gases or air surrounding the Earth or another planet.
  11. 21. A round hole made by something that has fallen on it.
  12. 22. The largest continent.
  13. 23. Heat from the sun is important for the water _____ .
Down
  1. 1. The pull that holds things on Earth.
  2. 2. The largest of Earth's saltwater surfaces.
  3. 3. A piece of land surrounded by the sea.
  4. 4. The solar ______ is the sun and all the objects that move around it.
  5. 5. Covers more than half of the Earth's surface.
  6. 9. A regular, repeating pathway along which an object moves around another.
  7. 11. A natural home or environment of an animal, plant, or organism.
  8. 12. A round solid figure, like a ball.
  9. 13. A bright star that gives light and warmth to Planet Earth.
  10. 15. A large object that moves around a star.
  11. 16. The outside part or uppermost layer of something.
  12. 17. A large area of water surrounded by land.
  13. 19. A long tall structure that can be propelled into space.