Zero Waste Classroom activities help grades 3-5 students turn everyday classroom trash into meaningful environmental science learning. This resource supports school waste reduction with simple reflection, decision-making, and writing tasks that build practical Earth Day habits students can use at school. What's included• Zero Waste Classroom: Waste Audit Reflection • Zero Waste Classroom: Reduce Reuse Rethink • Zero Waste Classroom: Lunch Trash Solutions • Zero Waste Classroom: Classroom Supply