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Rangelands: A Conservation Guide is a teacher guide for kindergarten through fifth grade. The curriculum provides hands-on, active learning for students with 27 student-centered lessons using real world science investigations. Each lesson contains from three to eight activities. The curriculum focuses on science and integrates social studies, while utilizing language arts and math skills. All core content areas including science, social studies, math and language arts are utilized to teach state curriculum requirements, The Texas Essential Knowledge and Skill, (TEKS,) which are documented with each activity. The curriculum guide uses a variety of teaching methods to meet the needs of all students and applies learning in creative products and presentations to activate higher order thinking, and synthesis. Methods used include: field activities, journaling, games, models, computer and Internet lessons, science investigations and inquiry, writing activities, and role playing, and encourage the use of community resources. Rangeland lessons include investigations of soil, water, plants, wildlife, ecology, stewardship, and ecosystem services. The activities are easy to implement and classroom materials needed are minimal and inexpensive such as: plastic cups, string, Styrofoam balls, journals, and art supplies. Most other equipment used are those things required in the science TEKS and are things the teacher will already have access to such as hand lenses, rulers, and computers.