This facilitator's guide, and the videotape it accompanies, is designed to demonstrate ways in which the new visions of science education for the 21st century might be translated into classroom practice. The National Research Council's (NRC) National Science Education Standards, American Association for the Advancement of Science (AAAS) Benchmarks for Science Literacy, and other frameworks were used as guides in developing this series. The videotape presents views of real classrooms where science is being taught. Classroom situations are spontaneous and unscripted. The videotape shows how standards actually look in practice in the classroom and how teachers are guiding experiences that enable students to construct understanding and learn science processes. The guide contains information on conducting hands-on workshops including materials lists, materials sources, and handouts. The second video focuses on grades 3 and 4. In one lesson, third grade students observe the behavior of hermit crabs by performing simple experiments planned by the teacher and themselves. In another unit, children test different brands of paper towels to see which one will absorb the most water in 30 seconds. Finally, two hands-on lessons on simple machines engage students in devising their own mechanisms and taking apart familiar household appliances. (PVD)