Unit 2 Test Review Nonrenewable Natural Resources

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Across
  1. 3. What fossil fuel is a black liquid that can be turned into gasoline?
  2. 7. When drilling for oil in the ocean, pipes can crack causing ____ _____.
  3. 8. Do humans need nonrenewable natural resources to survive?
  4. 9. What fossil fuel is a liquid that can be used for cooking and heating our homes?
  5. 10. Natural materials that cannot be replaced easily and can only be used once
  6. 11. What is a renewable natural resource in the word bank?
  7. 12. Nonrenewable natural resources can take ____ of years to replenish
Down
  1. 1. Burning fossil fuels is the main cause of _____ _____.
  2. 2. Something that is found in nature and is valuable to humans
  3. 4. Natural materials that can be replaced easily and can be used more than once
  4. 5. What nonrenewable resource is a black rock that has to be mined for underground??
  5. 6. A source of energy made from the remains of ancient, once-living things