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.
Pitch is studied as it relates to properties of the sound source.
Stethoscope Stuff is an mini- unit extension within Sound . Four measurement systems are explored in this FOSS unit- linear measure, mass, fluid volume and Celsius temperature. Measurement is meant to be taught in the context of a mathematics unit. Prediction skills are practiced with chemical changes, weathering, and changing objects. R - Butterflies are studied throughout phases of complete metamorphosis.