Famous Scientists & Discoveries

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Across
  1. 4. Theory explaining space, time, and gravity
  2. 7. Astronomer who proposed a Sun-centered solar system
  3. 9. Medical preparation that stimulates immunity
  4. 10. Instrument used to view tiny organisms and structures
  5. 13. Inventor and engineer known for alternating current systems
  6. 16. Naturalist who proposed the theory of evolution
  7. 19. Study of heredity and genes
  8. 21. Emission of energy from unstable atoms
  9. 23. Molecule carrying genetic information
  10. 25. Scientist who helped identify the structure of DNA
  11. 27. Scientific theory describing changes in species over time
  12. 28. Scientist who described planetary motion
  13. 29. Basic unit of an element
Down
  1. 1. Place where scientific research is conducted
  2. 2. Instrument used to observe distant objects
  3. 3. First widely used antibiotic discovered by Alexander Fleming
  4. 5. Physicist who developed the theory of relativity
  5. 6. Ancient Greek mathematician and inventor
  6. 8. Pioneer in electromagnetism and electrochemistry
  7. 11. Co-discoverer of the DNA double helix
  8. 12. Scientist who pioneered research on radioactivity
  9. 14. Negatively charged particle within an atom
  10. 15. Scientific test performed to investigate a hypothesis
  11. 17. Force attracting objects toward one another
  12. 18. Finding something previously unknown
  13. 19. Astronomer who supported the heliocentric model
  14. 20. Inventor associated with the practical electric light bulb
  15. 22. Scientist who developed germ theory advances
  16. 24. Father of modern genetics
  17. 26. Scientist who formulated the laws of motion and gravity