light	chemical	nuclear
mechanical	capacity	electrical
gasoline	heat	thermal
electrical	radial	contains

Energy causes things to happen around us. Look out the window. During the day, the sun gives out light and heat energy. At night, street lamps use electrical energy to light our way. When a car drives by, it is being powered by gasoline, a type of stored energy. The food we eat contains energy. We use that energy to work and play.

 Energy is the capacity to work. It may exist in many forms. . Energy can be found in mechanical, thermal, chemical, electrical, radial (light) and nuclear forms.