Nature

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Across
  1. 4. A small stream.
  2. 5. Those invisible gases that we breathe.
  3. 6. A heavy section of a tree that has fallen down.
  4. 8. The little objects from which plants grow.
  5. 10. Moving water raised above the surface of the ocean.
  6. 11. The Earth and all the people in it.
  7. 12. A fine dry powder, often made from dirt.
  8. 14. The physical world and everything in it.
  9. 16. The tiny pieces of rock that cover the beach.
  10. 17. A natural flow of water, smaller than a river but bigger than a brook.
  11. 19. Land that is away from cities and towns.
  12. 21. The sandy area in front of an ocean.
  13. 22. A flat area of land covered with tall grass.
  14. 23. The dark area produced when something moves in front of the sun.
  15. 25. Loose earth or soil.
  16. 27. A rounded area of land that is higher than its surroundings.
  17. 29. A tall plant that is made from wood and has many branches.
  18. 33. An area of land that rises much higher than its surroundings.
  19. 34. The hard solid stuff that the Earth is made from.
  20. 35. Where birds lay their eggs and care for their babies.
  21. 36. A poetic name for the sky above.
Down
  1. 1. A short plant that covers large areas.
  2. 2. A hollow place in the ground.
  3. 3. An open area without trees or buildings.
  4. 7. The surface of the Earth.
  5. 9. A very hot and very dry area covered with sand.
  6. 10. That clear, colourless liquid that we drink.
  7. 13. A part of a tree that grows from the trunk.
  8. 15. A large area of water surrounded by land.
  9. 17. The round yellow thing in the day sky.
  10. 18. Small pieces of rock.
  11. 20. The part of a plant that grows underground.
  12. 21. A plant that is smaller than a tree.
  13. 24. A long thin plant that grows across the ground or up things.
  14. 26. An area of land surrounded by water.
  15. 28. The salt water that covers the Earth's surface.
  16. 30. A natural flow of water that covers the land.
  17. 31. That planet that we live on.
  18. 32. The salt water that covers the Earth's surface; like a sea.
  19. 33. The round silver thing in the night sky.