Vocabulary Review

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Across
  1. 2. the planet we live on
  2. 4. nature and the world around us
  3. 6. a thing or person that can help to do something
  4. 9. poor
  5. 10. help
  6. 14. the reason for doing something
  7. 15. a new thing created by someone
  8. 17. an international organization to help children
  9. 19. the changing of the earth's temperature
  10. 20. a person that made something new
Down
  1. 1. small machine like phones or computers
  2. 3. very few animals that might become extinct
  3. 5. studying on the internet instead of the classroom
  4. 7. dirty air, water, or land caused by people
  5. 8. group of countries to keep peace
  6. 11. to keep safe
  7. 12. machines and tools that help people do things
  8. 13. being male or female
  9. 15. to make better
  10. 16. things people can learn and do well
  11. 18. the same for everyone