Relate the uses of different elements Ask students to set up an experiment (Fe2O3) are to their chemical properties. to investigate the conditions required more challenging. Securing for iron to rust. Aluminium oxide simple oxidation reactions using has a similar word equations. Explaining: Symbol equations for formula to iron Explain how barrier methods protect combustion oxide. iron from rust. Give students the formulae of some Identify the products and reactants metal oxides and ask them to using a symbol equation. construct balanced symbol equations Exceeding for the reactions that have occurred, Model simple reactions using balanced e.g. the balanced equation for symbol equations. magnesium is: 2Mg + O2 2MgO. → Work through the format with the students. Plenary: Thinking about corrosion Odd One Out: copper, magnesium, gold. (Possible answers: gold is the only metal which does not corrode/ react with oxygen; magnesium is the only one that burns in air; copper is the only one that could be used for water pipes; magnesium is the only silver-coloured metal.) Lesson 8Gc: Metals and water Learning objectives Exemplar teaching activities Differentiation Resources skills Practical skills Developing Starter: What reacts? n/a Resources n/a Students Describe the reactions of different Give students a list of 10 metals, from 8Gc investigate the metals with water. including the metals used in building Exploring reactions of Describe the gas test for hydrogen. (i.e. aluminium, calcium, copper, Science. calcium, copper Relate the uses of different elements gold, iron, magnesium, potassium, and magnesium to chemical properties. silver, sodium and zinc). Ask them to with their Securing the metals up into two groups reactivity and according to whether they are the predicted to react with water or not. gas produced.
Relate the uses of different elements to their chemical properties. Securing simple oxidation reactions using word equations. Explain how barrier methods protect iron from rust. Identify the products and reactants using a symbol equation. Exceeding Model simple reactions using balanced symbol equations. Ask students to set up an experiment to investigate the conditions required for iron to rust. Explaining: Symbol equations for combustion Give students the formulae of some metal oxides and ask them to construct balanced symbol equations for the reactions that have occurred, e.g. the balanced equation for magnesium is: 2Mg + O2 → 2MgO. Work through the format with the students. Plenary: Thinking about corrosion Odd One Out: copper, magnesium, gold. (Possible answers: gold is the only metal which does not corrode/ react with oxygen; magnesium is the only one that burns in air; copper is the only one that could be used for water pipes; magnesium is the only silver-coloured metal.) (Fe2O3) are more challenging. Aluminium oxide has a similar formula to iron oxide. Lesson 8Gc: Metals and water Learning objectives Exemplar teaching activities Differentiation Resources skills Practical skills Developing Describe the reactions of different metals with water. Describe the gas test for hydrogen. Relate the uses of different elements to chemical properties. Securing Starter: What reacts? Give students a list of 10 metals, including the metals used in building (i.e. aluminium, calcium, copper, gold, iron, magnesium, potassium, silver, sodium and zinc). Ask them to the metals up into two groups according to whether they are predicted to react with water or not. n/a Resources from 8Gc Exploring Science. n/a Students investigate the reactions of calcium, copper and magnesium with their reactivity and the gas produced.
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