Scientific Discoveries and Inventions

The theory of relativity was developed by

• Isaac Newton

• Albert Einstein

Hot baths and central heating were first used by

• the Greeks

• the Romans

Television was invented in

• 1930

• 1926

The first step on the Moon was taken by

• Neil Armstrong

• Yuri Gagarin

The radioactive elements radium and polonium were discovered by

• Marie Curie

• William Rontgen

The first bicycle was built in

• 1839

• 1920

The steam engine was constructed by

• James Watt

• George Stephenson

The first rocket was launched by

• Robert Goddard in 1926

• Enrico Fermi in 1932

Who is known for the discovery of penicillin?

• Marie Curie

• Alexander Fleming

• Thomas Edison

Which scientist is credited with the invention of the telephone?

• Thomas Edison

• Galileo Galilei

• Alexander Graham Bell