Scientific Discoveries

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Across
  1. 4. Central part of an atom
  2. 5. Mapping of all human genes
  3. 6. Infectious agent that replicates inside living cells
  4. 7. Region in space with extreme gravity
  5. 14. Field explaining subatomic particles
  6. 15. Machines designed to think and learn
  7. 16. Study of Earth's physical structure
  8. 17. Global shift in temperature and weather
  9. 19. Used for communication and discovered by Hertz
  10. 22. Electric lamp invented by Thomas Edison
  11. 23. Theory developed by Albert Einstein
  12. 25. Communication device invented by Alexander Graham Bell
  13. 27. Hormone used to treat diabetes
  14. 28. Movement of ocean water due to the Moon
  15. 30. Positively charged atomic particle
  16. 31. Negatively charged atomic particle
  17. 35. Atmospheric layer that protects from UV radiation
  18. 36. Gas discovered by Joseph Priestley
  19. 39. Device for observing distant objects in space
  20. 42. Creating identical genetic copies
  21. 43. Sudden shaking of the Earth's surface
  22. 46. Biological preparation to prevent diseases
  23. 48. Concentrated beam of light energy
  24. 49. Process by which plants make food
  25. 50. Preserved remains of ancient organisms
Down
  1. 1. Chart organizing chemical elements
  2. 2. First antibiotic discovered by Alexander Fleming
  3. 3. Device for magnifying tiny objects
  4. 8. Theory explaining the origin of the universe
  5. 9. Technology using sound waves underwater
  6. 10. Phenomenon discovered by Marie Curie
  7. 11. Immunization method pioneered by Edward Jenner
  8. 12. Machine that powered the Industrial Revolution
  9. 13. TECTONICS Theory explaining Earth's shifting crust
  10. 18. Method for determining the age of fossils
  11. 20. Essential nutrients discovered in food
  12. 21. Smallest unit of matter
  13. 24. Science of designing automated machines
  14. 26. Theory of natural selection by Charles Darwin
  15. 29. Neutral atomic particle
  16. 32. Structure carrying genetic information
  17. 33. Genetic material discovered by Watson and Crick
  18. 34. Force linking electricity and magnetism
  19. 37. RAY Medical imaging discovery by Wilhelm Roentgen
  20. 38. Force discovered by Isaac Newton
  21. 40. Microorganisms first observed by Antonie van Leeuwenhoek
  22. 41. Organisms that produce natural light
  23. 44. Idea that microorganisms cause disease
  24. 45. Study of heredity and DNA
  25. 47. Extinct relative of modern humans