Environmental Crossword Puzzle:

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Across
  1. 4. are used in construction.
  2. 5. means choosing to use things with care to reduce the amount of waste generated.
  3. 6. gets polluted because of factories, sewage, and oil spills.
  4. 8. provide us with many sources of healthy seafood.
  5. 9. dioxide is a gas that can contribute to global warming?
  6. 11. is to use again especially in a different way or after reclaiming or reprocessing. the need to reuse scarce resources. reuse packing material as insulation.
  7. 13. is a gas do we breathe to stay alive
  8. 15. and insects refers to creatures like mammals, birds, and insects that live on Earth?
  9. 16. has many natural minerals that we need in our everyday life.
  10. 17. is the outermost layer of the Earth where plants grow and where we find things like grass and flowers?
  11. 18. takes in carbon dioxide and provides us with oxygen
Down
  1. 1. is made up of different elements.
  2. 2. is very dangerous to the environment because it can destroy our natural resources and harm the climate
  3. 3. plays an vital role in the survival of human beings.
  4. 4. solid substances found in the Earth's crust, like gold, iron, and copper?
  5. 7. only covers about 29% of the earths surface.
  6. 10. is the term for harmful substances released into the environment that can be dangerous to our health?
  7. 11. means the use of waste itself as resources.
  8. 12. help plants to grow that provides us with food.
  9. 14. absorbs carbon dioxide and releases the oxygen we breath