Explore the exciting science of heat energy! Everyone has felt the encompassing embrace of warmth from the sun as we lift our faces upward. This authoritative source explains the world of heat energy: what heat energy is, how it is formed and measured, and its impact in our world daily. Vivid illustrations and vocabulary boxes help to make learning exciting and content clear to elementary readers. Interactive Compare and Contrast and Think About It activities engage students and encourage the development of many key skills stressed in today's common core curriculums.