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Famous Scientists

25 questions

Test your knowledge of famous scientists and their discoveries. From Newton to Curie to Hawking.

Question 1easy

Who developed the theory of gravity and the laws of motion?

The correct answer is C. Isaac Newton

Question 2easy

Who developed the theory of relativity (E = mc²)?

The correct answer is A. Albert Einstein

Question 3easy

Who discovered penicillin?

The correct answer is A. Alexander Fleming

Question 4easy

Who proposed the theory of evolution by natural selection?

The correct answer is B. Charles Darwin

Question 5easy

Marie Curie won Nobel Prizes in which two fields?

The correct answer is C. Physics and Chemistry

Question 6easy

Who invented the light bulb (practical incandescent)?

The correct answer is D. Thomas Edison

Question 7medium

Who discovered radioactivity (and coined the term)?

The correct answer is C. Marie Curie

Question 8medium

Who developed the first successful polio vaccine?

The correct answer is C. Jonas Salk

Question 9medium

Who is known for the heliocentric model of the solar system?

The correct answer is C. Nicolaus Copernicus

Question 10medium

Who invented the telephone?

The correct answer is A. Alexander Graham Bell

Question 11medium

Who discovered the structure of DNA (double helix) with Watson?

The correct answer is A. Francis Crick

Question 12medium

Who developed the smallpox vaccine?

The correct answer is A. Edward Jenner

Question 13medium

Who is known for the laws of planetary motion?

The correct answer is C. Johannes Kepler

Question 14medium

Who invented the telescope and used it for astronomical observations?

The correct answer is B. Galileo Galilei

Question 15medium

Who developed the theory of electromagnetism?

The correct answer is A. James Clerk Maxwell

Question 16hard

Who proposed the uncertainty principle in quantum mechanics?

The correct answer is D. Werner Heisenberg

Question 17hard

Who discovered X-rays?

The correct answer is D. Wilhelm Röntgen

Question 18hard

Who developed the periodic table of elements?

The correct answer is B. Dmitri Mendeleev

Question 19hard

Who is known for the theory of black holes and wrote A Brief History of Time?

The correct answer is D. Stephen Hawking

Question 20hard

Who discovered radium and polonium?

The correct answer is C. Marie Curie

Question 21hard

Who formulated the law of universal gravitation?

The correct answer is C. Isaac Newton

Question 22hard

Who discovered the neutron?

The correct answer is C. James Chadwick

Question 23hard

Who developed the theory of continental drift?

The correct answer is A. Alfred Wegener

Question 24hard

Who discovered the electron?

The correct answer is B. J.J. Thomson

Question 25hard

Who is known for the discovery of the circulation of blood?

The correct answer is D. William Harvey