Which Scientist Made This Discovery?

Science has shaped the modern world. Behind every great breakthrough — from gravity to DNA — stands a scientist whose curiosity and genius changed how we understand nature, the universe, and even ourselves. But can you match these famous discoveries to the scientist who made them? In this quiz, you’ll be given a key discovery, and your task is to select the correct scientist responsible for it. The history of science is a story of human progress — of questions asked, experiments performed, and ideas tested. Whether working alone in a lab, or collaborating across continents, scientists have pushed the boundaries of knowledge. Their discoveries have led to medical advances, technological revolutions, and even new ways of seeing reality. Some names, like Einstein or Newton, are famous around the world. Others, like Rosalind Franklin or Marie Curie, made crucial contributions that weren’t always recognized in their own time. From ancient scholars to modern physicists, every scientist in this quiz helped move humanity forward. This quiz is great for students, science fans, or anyone curious about the minds behind the milestones. Ready to test your knowledge of the great discoveries? Let’s play — and celebrate the power of science!
No. 1 /10
Who discovered the law of gravity?

Isaac Newton
Albert Einstein
Galileo Galilei
Nicolaus Copernicus
No. 2 /10
Who discovered penicillin?

Alexander Fleming
Marie Curie
Louis Pasteur
Edward Jenner
No. 3 /10
Who developed the theory of evolution by natural selection?

Charles Darwin
Gregor Mendel
Jean-Baptiste Lamarck
Alfred Russel Wallace
No. 4 /10
Who discovered radioactivity?

Marie Curie
Henri Becquerel
Enrico Fermi
Ernest Rutherford
No. 5 /10
Who proposed the theory of relativity?

Albert Einstein
Isaac Newton
Stephen Hawking
Niels Bohr
No. 6 /10
Who is known as the father of modern chemistry?

Antoine Lavoisier
Dmitri Mendeleev
Robert Boyle
John Dalton
No. 7 /10
Who discovered the circulation of blood?

William Harvey
Andreas Vesalius
Hippocrates
Galen
No. 8 /10
Who developed the first polio vaccine?

Jonas Salk
Albert Sabin
Louis Pasteur
Edward Jenner
No. 9 /10
Who is credited with discovering the electron?

J.J. Thomson
Ernest Rutherford
James Clerk Maxwell
Niels Bohr
No. 10 /10
Who co-discovered the structure of DNA?

James Watson & Francis Crick
Gregor Mendel
Rosalind Franklin & Maurice Wilkins
Linus Pauling
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