Science Vocabulary

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Across
  1. 3. the process of reusing waste materials to make new products
  2. 5. a natural material that exists in limited supply
  3. 9. any method, tool or machine made by humans
Down
  1. 1. any single living thing
  2. 2. when the environment becomes contaminated and unsafe for plants, animals and humans
  3. 3. trash, garbage or waste
  4. 4. the protection and sensible use of Earth's natural resources
  5. 6. a resource that can easily be replaced
  6. 7. relates to life and living organisms
  7. 8. valuable materials derived from nature