➢ homogeneous mixtures and ➢ Classifying the given mixtures 1. Sodium chloride activity Checklist and water heterogeneous mixtures into homogeneous and 2.Glucose and heterogeneous mixture 3.Sand and water 4.Air 3 ➢ Concentration of Solution ➢ Teacher will explain the Activity Checklist ➢ Properties of true concentration of solution by preparing different solution ,colloids and concentration of solutions suspension ➢ Activity with copper sulphate ➢ Types of solution :a)on the copper sulphate and and mixture of milk and water basis of size of solute mixture of milk and to show the Tyndall effect particles water and torch Activity 2.3 ) b) on the basis of amount of solute preparation Chart ➢ Preparing a chart of different ➢ Tyndall Effect types of solution and c) on the basis of nature of comparing the properties of solvent true solution true solution , colloids and suspension ➢ separation of components of mixtures separating funnel , Activity Checklist ➢ Activities (Refer Activity 2.5 beaker , watch to 2.12 ) will be performed to glass ,funnel separate the components by ammonium chloride evaporation ,centrifugation salt, kerosene. separating funnel ,distillation and fractional distillation sublimation , chromatography
➢ homogeneous mixtures and heterogeneous mixtures ➢ Classifying the given mixtures into homogeneous and heterogeneous mixture 1. Sodium chloride and water 2.Glucose and 3.Sand and water 4.Air activity Checklist 3 ➢ Concentration of Solution ➢ Properties of true solution ,colloids and suspension ➢ Types of solution :a)on the basis of size of solute particles b) on the basis of amount of solute ➢ Tyndall Effect c) on the basis of nature of solvent ➢ separation of components of mixtures ➢ Teacher will explain the concentration of solution by preparing different concentration of solutions ➢ Activity with copper sulphate and mixture of milk and water to show the Tyndall effect Activity 2.3 ) ➢ Preparing a chart of different types of solution and comparing the properties of true solution true solution , colloids and suspension ➢ Activities (Refer Activity 2.5 to 2.12 ) will be performed to separate the components by evaporation ,centrifugation separating funnel ,distillation and fractional distillation sublimation , chromatography copper sulphate and mixture of milk and water and torch separating funnel , beaker , watch glass ,funnel ammonium chloride salt, kerosene. Activity preparation Activity Checklist Chart Checklist
em_9-th_science_lesson-plan1-8-chapters-2017-18.docx