Inventions and Discoveries

21. Who discovered the law of motion?
a) Galileo Galilei
b) Isaac Newton
c) Albert Einstein
d) Stephen Hawking

22. Who invented the first practical telephone?
a) Alexander Graham Bell
b) Thomas Edison
c) Elisha Gray
d) Antonio Meucci

23. Who discovered the principles of genetics?
a) Gregor Mendel
b) Charles Darwin
c) Thomas Hunt Morgan
d) James Watson

24. Who invented the World Wide Web?
a) Bill Gates
b) Tim Berners-Lee
c) Steve Jobs
d) Alan Turing

25. Who discovered the laws of motion for fluids?
a) Isaac Newton
b) Daniel Bernoulli
c) Galileo Galilei
d) Blaise Pascal