Famous Scientific Discoveries

Who discovered the law of gravity?

• Albert Einstein

• Galileo Galilei

• Isaac Newton

• Johannes Kepler

What did Alexander Fleming discover in 1928?

• Insulin

• Penicillin

• DNA

• X-rays

Which scientist is credited with the discovery of the structure of DNA (double helix)?

• Gregor Mendel

• Watson and Crick

• Louis Pasteur

• Marie Curie

Who discovered radioactivity?

• James Chadwick

• Ernest Rutherford

• Marie Curie

• Henri Becquerel

Which element was discovered by Marie and Pierre Curie?

• Oxygen

• Polonium

• Carbon

• Mercury

Which scientist discovered that blood circulates through the body?

• Louis Pasteur

• William Harvey

• Andreas Vesalius

• Robert Koch

Who discovered the electron?

• Niels Bohr

• J.J. Thomson

• John Dalton

• Ernest Rutherford

What major discovery is Galileo Galilei known for?

• Law of Conservation of Energy

• Laws of Planetary Motion

• Telescope-based astronomical observations

• Radioactivity

Who first proposed the germ theory of disease?

• Joseph Lister

• Edward Jenner

• Louis Pasteur

• Robert Koch

What did Dmitri Mendeleev discover?

• Atomic number

• Periodic table

• Law of Gravity

• Law of Inheritance