20-A1.1sts

Students will explain that the process of scientific investigation includes analyzing evidence and providing explanations based upon scientific theories and concepts (NS5f)[ICT C6-4.2]   ie:  •evaluate the evidence for the influence of ice and snow on the trapping of solar energy (albedo effect) and hypothesize on the consequences of fluctuations for biological systems, •explain how metabolic heat release from harvested grain can be reduced by drying processes prior to grain storage and explain the scientific principles involved in this technology,  •explain, in terms of energy flow, the advantage of vegetarianism in densely populated countries.