Scientific Discoveries

12345678910
Across
  1. 2. This was awarded to Alexander Fleming in 1945.
  2. 4. This person discovered vitamin D in 1922.
  3. 5. This keeps your blood sugar at a normal rate. It was thought of by Dr. Frederick Banting.
  4. 8. This is a way to replace lost blood. It was discovered by Alexander S. Wiener and Dr. Karl Landsteiner.
  5. 9. The first human to be successfully tested with insulin.
  6. 10. This vitamin comes from many fruits and vegetables including oranges and broccoli.
Down
  1. 1. This was invented in 1928 by Alexander Fleming.
  2. 3. A microscope that lets you see things unable to be seen by the naked eye.
  3. 6. This was first discovered while a scientist was doing an experiment with hens.
  4. 7. This was invented and patented in 1920 by Earl Hanson to help people with hearing problems.