14 Questions • Science
Which machine powered the Industrial Revolution in the 18th century?
15 Questions • Science
What is the chemical symbol for hydrogen?
24 Questions • Science
Which organ is responsible for producing insulin?
27 Questions • Science
What is the center of an atom called?
Who developed the theory of relativity?
17 Questions • Science
Electrons are positively charged. True or false?
What is the name of the galaxy we live in?
What is the approximate age of Earth?
What was the name of the pandemic that swept through Europe in the 14th century, killing millions?
