Renewable and Nonrenewable Resources

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Across
  1. 4. a natural material or source of energy that is useful to people and cannot be replaced
  2. 8. something that is found in nature and is valuable to humans
  3. 9. an example of a nonrenewable resource
  4. 10. a fossil made by an impression
  5. 12. any evidence of an organism that lived in the past
Down
  1. 1. an example of a renewable resource
  2. 2. the act of saving, protecting, or using resources wisely
  3. 3. harmful or unwanted material that has been added to the environment
  4. 5. a fossil formed or shaped within a mold
  5. 6. a source of energy made from the remains of ancient, once-living things
  6. 7. a useful material that is replaced quickly in nature
  7. 11. an empty space in rock that once held the remains of a living thing