Energy — Unit

High up in the , lived the Kilowatt-hour (kWh) . This giant was responsible for the entire city's electricity. He was a bit of a businessman, always showing up on monthly bills to tell families how much energy their lightbulbs and air conditioners had used.

One day, the units decided to have a grand meeting to see who was the strongest. energy unit

giggled, knowing she was about 4.18 times as big as a single Joule. High up in the , lived the Kilowatt-hour (kWh)

Once upon a time in the Land of Physics, there lived a hard-working fellow named . Joule was the official measure of all things energetic. Whenever a pushy character named Newton moved an object exactly one meter , Joule was there to record the effort. One day, the units decided to have a

But Joule wasn’t the only one in town. Across the river in the , there was Calorie , a warm and friendly unit who spent her days heating up water. She was quite popular with the local chefs and athletes, always measuring the fuel in their food.