Planet Earth

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Across
  1. 3. Low land between hills.
  2. 4. Full of tall trees.
  3. 7. Earth's night companion.
  4. 8. Falls from the clouds.
  5. 9. Hot and sandy.
  6. 11. Rises high above land.
  7. 14. Floats in the sky.
  8. 15. Moves the air.
Down
  1. 1. A flowing water path.
  2. 2. Makes the ground shake.
  3. 5. Covers most of Earth.
  4. 6. Erupts with lava.
  5. 10. Warms the planet.
  6. 12. Land surrounded by water.
  7. 13. Covers the land in winter.