Trees and MWEEs Unit Summary MWEE OpportunityThis unit provides students with an opportunity to explore foundational concepts in environmental literacy. READ MORETeacher Background ContentMaterials (matter) do not appear or disappear on this planet. What is here is here for good. We call that the 1st Law. READ MOREMini-Unit Learning ExperiencesAll About Trees!! (Gr 3)DIVE INBenefits of Trees! (Gr 4)DIVE INOur Tree Inventory (Gr 5)DIVE INBeat the Heat! (MS)DIVE IN