Unit 5 - Earth's Resources

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Across
  1. 3. – Waste that harms land, water, and air.
  2. 7. – To use less of a resource.
  3. 9. – Anything from nature that people can use.
  4. 13. – Medium bits of rock. It holds water fairly well.
  5. 14. – A large body of salty water.
  6. 15. – Small bits of rock. It holds water so well that clay sticks together.
  7. 17. – A body of fresh water with land all around it.
Down
  1. 1. – It is made up of small pieces of rock and once-living things. It is the top layer of Earth.
  2. 2. – A way to protect resources and materials.
  3. 4. – One part of what something is like. Color, size, and shape are each a property.
  4. 5. – Something made by people or machines for people to use.
  5. 6. – To use a resource again.
  6. 8. – A large body of flowing water.
  7. 10. – To use the materials in old things to make new things.
  8. 11. – A small body of flowing water.
  9. 12. – A hard, nonliving object from the ground.
  10. 16. – Large bits of rock. It does not hold water well.