The energy that powers our computers, cars, and homes plays an important role in our daily lives and keeps the world working. But what is energy? How do the different kinds of energy work and how are they different? How do scientists believe energy was created? Understanding what energy can be an important STEM building block for young learners. Through this book's approachable language, young readers learn the answers to many of their questions through a Q & A format as well as detailed diagrams that reinforce the main content.