***** STAR SALE $19.99 Engaging students in the Biotic and Abiotic Factors Lab and the Ecosystem-in-a-Jar (3-week) activity transforms science from memorization into discovery. These hands-on experiences let students explore living and nonliving interactions while observing real-time changes in a contained ecosystem. Teachers become guides in authentic inquiry, sparking curiosity, questioning, and collaboration. Such activities elevate classroom energy, strengthen teacher-student connections, a