BHM Activity Crossword Puzzle

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Across
  1. 4. first African-American woman to earn a Ph.D. in physics
  2. 5. inventor of the multiple-effect evaporator
  3. 9. contributed to food preservation
  4. 10. inducted to the National Inventors Hall of Fame for his work on bioluminescence
  5. 15. first African-American to earn a Ph.D. at any university
  6. 18. one of the first African-American women to gain a scientist position at a science agency in D.C.
  7. 19. American physicist and chemist
  8. 20. NASA astronaut and physicist
Down
  1. 1. studied the cure for melanoma
  2. 2. marine biologist specializing in corals
  3. 3. developed the "Ball Method" for the treatment of leprosy
  4. 6. first African-American woman to get a Ph.D. in natural sciences
  5. 7. American zoologist, entomologist, educator, and psychologist
  6. 8. first African-American to earn a Ph.D.in chemistry
  7. 11. pioneer in the chemical synthesis of medicinal drugs from plants
  8. 12. promoted alternative crops to cotton
  9. 13. did extensive research on termites
  10. 14. his inventions include electrical resistors used in computing,missile guidance, and pacemakers.
  11. 16. among the few African-Americans on the Manhattan Project
  12. 17. American naturalist,mathematician,astronomer,and almanac author