Cleaning food

This CTET Paper 2 chapter builds Cleaning food for future Classes VI-VIII science teachers: why grains and water need cleaning, Class VI methods of separation (handpicking, threshing, winnowing, sieving, sedimentation, decantation, filtration, evaporation, condensation lightly), method-choice pedagogy traps, low-cost TLM, and hard CTET stems in teacher voice. Sibling one-liners only for Sources of Food and Components of Food.