Why does your hair stick to a balloon? What are fossil fuels made from? Why does ice cream feel cold when we eat it? Find out the answers to these questions and more in DKfindout! Energy, which features photographs of scientific experiments and illustrative examples of basic energy principles. From the discovery of fire to the development of the nuclear reactor, scientific breakthroughs throughout history have led to modern energy applications, like Marie Curie's research on radioactivity, which is still used in cancer treatments today. Readers will also delve into future energy issues and their possible solutions.

Vetted by educational consultants, the DKfindout! series drives kids ages 6-9 to become experts on more than 30 of their favorite STEM- and history-related subjects, whether Vikings, volcanoes, or robots. This series covers the subjects that kids really want to learn about--ones that have a direct impact on the world around them, like climate change, space exploration, and rapidly evolving technology--making learning fun through amazing images, stimulating quizzes, and cutting-edge information. The DKfindout! series is one that kids will want to turn to again and again.