ENGLISH CROSSWORD

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Across
  1. 3. A long natural stream of water.
  2. 6. A room where lessons take place.
  3. 8. To process used materials into new products.
  4. 10. A very high hill with a peak.
  5. 12. Harmful dirt or chemicals in the environment.
  6. 15. An electronic machine used for learning and work.
  7. 16. A person who designs and builds machines or structures.
  8. 18. A person who takes care of your teeth.
  9. 19. Used to type on a computer.
  10. 20. The food your body needs to stay healthy.
Down
  1. 1. A person who teaches students.
  2. 2. A place where books can be borrowed.
  3. 4. A person who studies science and performs experiments.
  4. 5. A large area covered with many trees.
  5. 7. School work done at home.
  6. 9. Physical activity that keeps you fit.
  7. 11. Animals living in their natural habitat.
  8. 13. The global network that connects computers.
  9. 14. Feeling well and free from illness.
  10. 17. A machine that can do tasks automatically.