Science Vocabulary-Earth's Resources

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Across
  1. 4. the presence of substances in the environment that are harmful to living things or any living organisms
  2. 6. something found in nature that humans use
  3. 9. change
  4. 10. any substance, object/item, or element in the environment
  5. 11. a device that changes the energy of sunlight to electrical energy
  6. 13. nonrenewable energy sources like coal, oil or natural gas
  7. 14. liquid derived from petroleum, used for fuel
  8. 16. energy that comes from the movement of water
  9. 18. the practice of protecting the environment and using resources carefully
  10. 19. flammable gas
  11. 22. a material that is made by nature at least as quickly as people use it
Down
  1. 1. not taking care of natural resources and not using them wisely
  2. 2. one that is not made fast enough to replace what is used
  3. 3. natural substances made up of one or more minerals
  4. 5. put into groups
  5. 7. make something happen
  6. 8. naturally occurring solids in Earth's crust
  7. 12. getting as much as we can from things and not wasting
  8. 15. a renewable resource that doesn't pollute, and not inexpensive to use
  9. 17. black rock that is used for fire
  10. 20. a change that happens because of some kind of action
  11. 21. the ability to do work