iGCSE Scheme of Work Year 10 July 2011 Electrolysis Lesson Learning Activities Assessment Safety Other Objectives emphasis Starter - review ideas of Redox as loss and gain of electrons. describe Lesson 5 experiments to Main investigate Ask pupils to predict the results of electrolysis of CuCl2. electrolysis, Electrolysis using inert of solutions Demo electrolysis. Test for products. electrodes, of aqueous Pupils write word and balanced half for the solutions such reaction at cathode and anode. as sodium chloride, Development copper(II)sulfate Introduce redox as loss and gain of electrons. Identify and dilute oxidation and reduction reactions at the cathode and sulfuric acid and anode. predict the Consider the movement of electrons in the circuit and at products the electrodes. write ionic Plenary - Electrolysis animation from e science or equations Science consortium. representing the reactions at the electrodes during electrolysis
iGCSE Scheme of Work Year 10 July 2011 Electrolysis Lesson Learning Objectives Activities Assessment Safety Other emphasis Lesson 5 Electrolysis of solutions describe experiments to investigate electrolysis, using inert electrodes, of aqueous solutions such as sodium chloride, copper(II)sulfate and dilute sulfuric acid and predict the products write ionic representing the reactions at the electrodes during electrolysis Starter - review ideas of Redox as loss and gain of electrons. Main Ask pupils to predict the results of electrolysis of CuCl2. Demo electrolysis. Test for products. Pupils write word and balanced half equations for the reaction at cathode and anode. Development Introduce redox as loss and gain of electrons. Identify oxidation and reduction reactions at the cathode and anode. Consider the movement of electrons in the circuit and at the electrodes. Plenary - Electrolysis animation from e science or Science consortium.