Supply missing reactants or products neutralised. Universal indicator or pH to complete a word equation. meters can be used. Students can Use a pH probe Securing plot a graph of their results. and a Model simple reactions using word datalogger to equations. Explaining: Following neutralisation demonstrate Describe the reactions of with Use a pH probe and a datalogger to how the pH alkalis (including the salts produced by demonstrate how the pH changes as changes as an hydrochloric, sulfuric and nitric acids). an alkali is added to an acid drop by alkali is added Explain how everyday examples of drop. Ask students to predict what to an acid drop neutralisation are useful (changing the will happen if more acid or alkali is by drop. Ask pH of soils). added, and to check their predictions. students to Exceeding predict what will Apply ideas about the pH scale to Plenary: Thinking about becoming happen if more explain the changes that take place on pregnant acid or alkali is neutralisation and dilution. Consider All Possibilities: The pH of a added, and to Plot and interpret graphs of pH against solution decreases. (Possible check their volume of acid or alkali added in a answers: it is an alkaline solution that predictions. neutralisation reaction. has been diluted; it is an alkaline/neutral solution to some acid has been added; it is an acidic solution to which a more acidic substance has been added.) Lesson 7Fe: Neutralisation in life Learning objectives Exemplar teaching activities Differentiation Resources Maths skills Practical skills Developing Starter: Word cards Exploring: Resources n/a Students Correctly use the term: base. Give students some key words Testing from 7Fe out an Recall some applications of relating to neutralisation and ask indigestion Exploring experiment to neutralisation (antacids, toothpastes, them to write their own definitions. remedies Science. compare treating waste gases, rust removal). Ask students to different Securing Exploring: Testing indigestion predict the indigestion Describe the reactions of acids with remedies results by giving remedies. They bases. Students carry out an experiment to them the look at the pH ‘recipes’ Explain how everyday examples of compare different indigestion for the different change caused neutralisation are useful (antacids, remedies. They look at the pH change remedies they by adding are testing. different
Supply missing reactants or products to complete a word equation. Securing Model simple reactions using word equations. Describe the reactions of with alkalis (including the salts produced by hydrochloric, sulfuric and nitric acids). Explain how everyday examples of neutralisation are useful (changing the pH of soils). Exceeding Apply ideas about the pH scale to explain the changes that take place on neutralisation and dilution. Plot and interpret graphs of pH against volume of acid or alkali added in a neutralisation reaction. neutralised. Universal indicator or pH meters can be used. Students can plot a graph of their results. Explaining: Following neutralisation Use a pH probe and a datalogger to demonstrate how the pH changes as an alkali is added to an acid drop by drop. Ask students to predict what will happen if more acid or alkali is added, and to check their predictions. Plenary: Thinking about becoming pregnant Consider All Possibilities: The pH of a solution decreases. (Possible answers: it is an alkaline solution that has been diluted; it is an alkaline/neutral solution to some acid has been added; it is an acidic solution to which a more acidic substance has been added.) Use a pH probe and a datalogger to demonstrate how the pH changes as an alkali is added to an acid drop by drop. Ask students to predict what will happen if more acid or alkali is added, and to check their predictions. Lesson 7Fe: Neutralisation in life Learning objectives Exemplar teaching activities Differentiation Resources Maths skills Practical skills Developing Correctly use the term: base. Recall some applications of neutralisation (antacids, toothpastes, treating waste gases, rust removal). Securing Describe the reactions of acids with bases. Explain how everyday examples of neutralisation are useful (antacids, Starter: Word cards Give students some key words relating to neutralisation and ask them to write their own definitions. Exploring: Testing indigestion remedies Students carry out an experiment to compare different indigestion remedies. They look at the pH change Exploring: Testing indigestion remedies Ask students to predict the results by giving them the ‘recipes’ for the different remedies they are testing. Resources from 7Fe Exploring Science. n/a Students out an experiment to compare different indigestion remedies. They look at the pH change caused by adding different
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