Lesson 9Fb: Reactivity Learning objectives Exemplar teaching activities Differentiation Resources Maths skills Practical skills Developing Starter: Concept map Exploring: Resources n/a Students wrap Describe the reactions of metals with Ask students to construct a concept Preventing from 9Fb small pieces of water. map about the reactivity series. They rusting Exploring different Describe the reactions of metals with could include the reactions of metals Ask students to Science. metals around dilute acids. with water, oxygen and dilute acids find out why the iron nails, place Explain the products formed by the on their concept maps and extend nail with the them in test oxidation of metals. their work by looking at rusting and copper foil rusted tubes of water State the meaning of reactivity series. corrosion. more quickly and leave them Use information on the reactivity of than the nail for a week or metals to place them in an order of Exploring: Preventing rusting without any other more to see reactivity. Students wrap small pieces of metal attached. which metals Securing different metals around iron nails, provide Use ideas about reactivity to explain place them in test tubes of water and sacrificial how sacrificial metals can protect iron leave them for a week or more to see protection. from rusting. which metals provide sacrificial Exceeding protection. out this Model more complex reactions using demonstration balanced equations. Explaining: Aluminium to show the Carry out this demonstration to show real reactivity of the real reactivity of aluminium. aluminium. Plenary: Thinking about rusting Consider All Possibilities: A piece of steel has not rusted. (Possible answers: it is stainless steel; it is covered in oil/grease/paint/plastic/ another it is attached to a more reactive metal; there is no water/oxygen/air.) Lesson 9Fc: Energy and reactions
Lesson 9Fb: Reactivity Learning objectives Exemplar teaching activities Differentiation Resources Maths skills Practical skills Developing Describe the reactions of metals with water. Describe the reactions of metals with dilute acids. Explain the products formed by the oxidation of metals. State the meaning of reactivity series. Use information on the reactivity of metals to place them in an order of reactivity. Securing Use ideas about reactivity to explain how sacrificial metals can protect iron from rusting. Exceeding Model more complex reactions using balanced equations. Starter: Concept map Ask students to construct a concept map about the reactivity series. They could include the reactions of metals with water, oxygen and dilute acids on their concept maps and extend their work by looking at rusting and corrosion. Exploring: Preventing rusting Students wrap small pieces of different metals around iron nails, place them in test tubes of water and leave them for a week or more to see which metals provide sacrificial protection. Explaining: Aluminium Carry out this demonstration to show the real reactivity of aluminium. Plenary: Thinking about rusting Consider All Possibilities: A piece of steel has not rusted. (Possible answers: it is stainless steel; it is covered in oil/grease/paint/plastic/ another it is attached to a more reactive metal; there is no water/oxygen/air.) Exploring: Preventing rusting Ask students to find out why the nail with the copper foil rusted more quickly than the nail without any other metal attached. Resources from 9Fb Exploring Science. n/a Students wrap small pieces of different metals around iron nails, place them in test tubes of water and leave them for a week or more to see which metals provide sacrificial protection. out this demonstration to show the real reactivity of aluminium. Lesson 9Fc: Energy and reactions
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