Scientific Discoveries

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Across
  1. 3. This person discovered vitamin D in 1922.
  2. 5. The first human to be successfully tested with insulin.
  3. 6. This was awarded to Alexander Fleming in 1945.
  4. 7. This vitamin comes from many fruits and vegetables including oranges and broccoli.
  5. 8. This is a way to replace lost blood. It was discovered by Alexander S. Wiener and Dr. Karl Landsteiner.
  6. 10. This was invented in 1928 by Alexander Fleming.
Down
  1. 1. This was first discovered while a scientist was doing an experiment with hens.
  2. 2. This was invented and patented in 1920 y Earl Hanson to help people with hearing problems.
  3. 4. An invention used to look at small objects that you can not see with the naked eye.
  4. 9. This keeps your blood sugar at a normal rate. It was thought of by Dr. Frederick Banting.