Help intermediate ELLs learn science content in English with this unique Science Concepts and Vocabulary CD Card Set that combines interactive sound, full - color images and text when used with the Radius Audio Learning System. Set of 40 double - sided, write - on/wipe - off cards focuses on key science topics, including plants, animals, life science, habitats, food groups, seasons, landforms, environment, matter and energy, plus science vocabulary and reinforcement questions. Cards link via custom barcode to a corresponding CD programmed to help students complete the activities and answer related questions. CD contains more than 45 minutes of audio content, including a variety of instructional activities, each of which can be completed by 1 - 4 students at a time. Cards measure 8.5" x 5". Aligned with Title III of No Child Left Behind.