Here are 108 real-life science problems designed to be solved through joint effort by two to four students. Science areas covered include: life science, physical science, earth science, and ecology/environment. Some activities can be completed in as little as one class period, while others require greater effort and a longer work period. Whether asked to classify a variety of edible plants or propose ways to convert a school bus into a mobile science lab, your students will be challenged to apply what they know about science, as well as math and reasoning skills. Includes teacher guidelines for management of cooperative groups. 128 cards total.