The U.S. Department of Energy Office of Legacy Management (LM) Atomic Legacy Cabin (ALC) in Grand Junction, Colorado, is celebrating Nuclear Science Week by encouraging students and educators to “Get to Know Nuclear” through our free, online Radiation – Energy in Motion program. Designed for upper elementary students, the program, which includes a prerecorded video and free downloadable activity packet, will help students learn about radiation, where it comes from, and how LM uses radiation controls to protect human health and the environment. Materials are available at