Chapter 6 Land Water and Air

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Across
  1. 1. __________ and trucks and airplanes give off harmful materials into the air.
  2. 3. Turning old things into new things is called _______________.
  3. 6. Land is an _______________ natural resource.
  4. 8. ______________ is when wind or water moves soil and rocks.
  5. 10. Rocks and soil are natural _________
  6. 12. A natural resource is a useful thing that comes from ___________
  7. 13. Plants grow in the soil and ___________ can live in it too.
  8. 14. Moving air is called _______.
  9. 16. People and animals need to _________ air. Plants need it too.
  10. 18. A palaeontologist studies _________________.
  11. 20. Water than has land all around ir is called a __________.
  12. 21. The _________ of plants can stop erosion by keeping soil in place.
  13. 22. A _________ is very steep land.
  14. 24. __________ is tiny pieces of broken rock.
Down
  1. 1. ___________ is soft and sticky and most plants don't grow in it.
  2. 2. When rocks break apart and change we call this ______________.
  3. 4. Someone who studies rocks is called a ____________.
  4. 5. The Earth is made of ________ and water
  5. 7. Gold, silver and copper are ____________, found in the ground and rocks.
  6. 9. __________ is made of dead things, it helps plants to grow.
  7. 11. People use __________ for drinking, bathing, cooking food and swimming in!
  8. 15. A ___________ is water than flows through the land.
  9. 17. To help save Earth's resources, we can use less. ________ means to use less.
  10. 19. We can __________ things, which means use things again.
  11. 23. A plain is _________ land.