Students study solid waste and learn to distinguish between degradable and non-degradable items.
They learn to express personal attitudes about recycling issues, and make recycled paper. Water cycle, sources, water tables, distribution, filtration and conservation are investigated in this interdisciplinary unit. Created by Minnetonka teachers, this unit is an introduction to the concepts visited in depth in Rainforest, Lungs of the Earth , a grade 4 unit. Tangrams R - Mystery Powders introduces children to the formal scientific process as they carry out investigations to analyze, classify, and identify ten white powders commonly found in the home. Students learn that sound originates from a vibrating source, can be discriminated and matched, and can travel through solids, liquids and gases.