From Vikidia, the encyclopedia for 8 to 13-year-old children that everybody can make better
James Joule was a British scientist who studied energy.
He lived to be 70 years old. He lived from 1818 to 1889.
He studied science with John Dalton.
He showed that energy of heat and energy of motion are the same thing.
A basic unit of energy is named the joule (unit) after him.