Planet Earth

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Across
  1. 4. A very large area of land (like Africa).
  2. 5. The force that pulls you down to Earth.
  3. 6. A mountain that can spit out lava and ash.
  4. 9. A giant slow-moving river of ice.
  5. 12. The rising and falling of the sea.
  6. 14. A flowing body of fresh water that moves to the sea.
  7. 17. The blanket of air that surrounds Earth.
  8. 18. Land surrounded by water.
  9. 20. The path one object takes around another (like Earth around the Sun).
Down
  1. 1. Very tall land that reaches high into the sky.
  2. 2. A large round world that orbits a star.
  3. 3. The bright star that gives Earth warmth and light.
  4. 7. Huge salty water that covers most of Earth.
  5. 8. Hot, dry place with very little rain.
  6. 10. Thick, wet forest full of plants and animals.
  7. 11. Imaginary line around Earth that is hot and midway.
  8. 13. To use materials again instead of throwing away.
  9. 15. A place with many trees.
  10. 16. Dirt where plants grow.
  11. 19. Earth’s shiny nighttime companion.