Natural Resources

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Across
  1. 3. rock formed from layers of sand, soil, clay, gravel, and other sediment that built up in one location over time
  2. 5. a renewable fuel made from the sugars found in plant matter such as corn or sugarcane
  3. 7. heat transfer in fluids where warmer, less-dense fluid rises, allowing cooler, denser fluid to take its place; causes a tumbling motion in the fluid
  4. 9. has tiny holes that allow substances to absorb
  5. 12. the transport of sediment by wind, water, or gravity
  6. 13. anything that is not living and never was living
  7. 14. rock formed in chemical reactions where one type of rock is changed by pressure or heat into a new type of rock with different properties
  8. 15. nonrenewable energy sources that formed millions of years ago from plant and animal matter
Down
  1. 1. the breakdown of rock into smaller pieces from exposure to wind, water, gravity, changes in temperature, and/or biological forces
  2. 2. the ease with which substances move through a material
  3. 4. the processes that form, break down, and re-form rock from one category to another
  4. 6. a chemical reaction in animal or plant matter brought about by microscopic yeasts, bacteria, and molds
  5. 8. a resource that cannot be replenished in a short amount of time
  6. 10. anything that is living or was once living
  7. 11. rock formed when hot liquid rock (either lava or magma) cools into a solid