Unit 7 - People and Resources

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Across
  1. 2. – A mixture of water, air, tiny pieces of rock, and humus
  2. 7. – A resource that, once used, cannot be replaced in a reasonable amount of time
  3. 8. – The largest particles of rock that make up soil
  4. 9. – Particles of rock that are smaller than sand but larger than clay
  5. 11. – Substances in soil that plants need to grow and stay healthy
  6. 12. – The smallest particles of rock that make up soil
Down
  1. 1. – A powder-like material that plants need to make
  2. 3. – Anything from nature that people can use
  3. 4. – The use of less of something to make its supply last longer
  4. 5. – A resource that can be replaced within a reasonable amount of time
  5. 6. – Fuel formed from the remains of once-living things. Coal, oil, and natural gas are fossil fuels.
  6. 10. – The remains of decayed plants or animals in the soil