spelling words list 15

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Across
  1. 3. heat a hot pocket in
  2. 7. bacteria causing a disease
  3. 9. outer space
  4. 10. huge mess
  5. 14. this symbol *
  6. 15. a tiny wafer
  7. 16. the study of social life
  8. 17. science of life and living organisms
  9. 18. study of organisms and how they interact with the environment around them
  10. 20. a small society or place or activity
  11. 21. history of the word or phrase
Down
  1. 1. viewing tiny objects
  2. 2. computers,phones
  3. 4. the study of movements and relative positions
  4. 5. study of the biology of microscopic organisms
  5. 6. study of everything in the universe
  6. 8. rocks outer space
  7. 11. a film containing photos of a newspaper
  8. 12. collection of myths or stories
  9. 13. student of astronomy
  10. 19. study of the earths physical structure