Low-prep, high-impact life science investigation! Students test one variable (light/dark, soak time, or temperature) using beans in zip bags, record daily data, and calculate % germination. Includes student pages, teacher guide, and rubric. Full Description: 🌱 Hands-on NGSS lab where students investigate how ONE environmental variable affects seed germination. Learners set up two labeled zip-bag treatments (A vs B), collect daily tallies, compute % germination, and explain results using