SCIENCE

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Across
  1. 4. - study of the nervous system, including the brain and neurons
  2. 5. - study of living organisms and their processes
  3. 7. - study of the structure of living organisms
  4. 11. - deals with the composition and transformations of matter
  5. 13. - study of insects
  6. 14. - study of the physical properties and processes of the Earth
  7. 17. - study of animals
  8. 19. - study of the relationships between organisms and their environment
  9. 20. - study of genes, heredity, and variation in living organisms
Down
  1. 1. - study of the functions and processes of living organisms
  2. 2. - of the Earth's atmosphere and weather patterns
  3. 3. - study of plants
  4. 6. - study of celestial objects, such as stars, planets, and galaxies
  5. 8. - study of the chemical processes and substances in living organisms
  6. 9. - deals with the fundamental principles of the universe
  7. 10. - study of microorganisms
  8. 12. - deals with atomic and subatomic particles
  9. 15. - study of prehistoric life through fossils
  10. 16. - study of the Earth's solid materials
  11. 18. - study of genes, heredity