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ResourceLimiting and excess reactants: quantitative | Developing understanding | 14–16 years
Develop learners quantitative understanding of limiting and excess reactants with the support of bar diagrams
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ResourceAmount of substance in moles | Structure strip | 14–16 years
Use scaffolded prompts to support learners to write about amount of substance in moles
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ResourceExcess copper oxide | Johnstone’s triangle worksheets | 14–16 years
Explore the reaction of sulfuric acid with excess reactant copper oxide at three conceptual levels with Johnstone’s triangle
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ResourceLimiting and excess reactants (qualitative) | Developing understanding | 14–16 years
Introduce limiting and excess reactants using an analogy of ice cream and ice cream cones
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ResourceAmount of substance in moles | Knowledge check | 14–16
Assess learning of amount of substance measured in moles with this higher level worksheet
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ResourceBalanced chemical equations | Structure strip | 14–16 years
Use scaffolded prompts to support learners to write about balanced chemical equations
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ResourceReacting masses and gas volumes | Structure strip | 14–16 years
Use scaffolded prompts to support learners to write about reacting masses and gas volumes
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ResourceAmount of substance in moles | In context | 14–16
Put amount of substance measured in moles into context with questions based on common practical experiments
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ResourceDetermining unknown concentration | Johnstone’s triangle worksheets | 14–16 years
Guide learners to connect their thinking about calculating unknown concentrations following a titration
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ResourceConcentration of acids | Johnstone’s triangle worksheets | 14–16 years
Learners connect their understanding of dissolved ions, concentration and how chemicals are labelled with this single-page worksheet
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ResourceConcentration and moles | Developing understanding | 14–16 years
Support learners to develop secure mental models of how concentration is measured and calculated in mol/dm3
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ResourceWord equations | Developing understanding | 11–14 years
Use this worksheet to improve your learners’ understanding of writing and interpreting word equations
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ResourceRelative atomic mass of boron | Johnstone’s triangle worksheets | 14–16 years
Use Johnstone’s triangle to help learners think about relative atomic mass and the abundance of different isotopes
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ResourceBalanced chemical equations | Knowledge check | 14–16
Ready-to-use worksheets to assess learning of balancing chemical equations, foundation and higher level
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ResourceBalanced chemical equations and fuel | In context | 14–16
Put balancing chemical equations into context with questions based on fuels
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ResourceYield | Developing understanding | 14–16 years
Part of the Johnstone’s triangle series, this resource includes teacher notes and a student worksheet to help learners understand the difference between actual and theoretical yield
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ResourceFertiliser yield | Johnstone’s triangle worksheets | 14–16 years
Help learners calculate the actual and theoretical yield of ammonium sulfate using Johnstone’s triangle
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ResourceSodium and chlorine reaction | Johnstone’s triangle | 11–14 years
Strengthen learners’ understanding of the connection between word equations and chemical reactions
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ResourceInterpreting chemical equations for ionic compounds | Developing understanding | 14–16
Help your learners develop mental models of what is represented in balanced chemical equation for ionic compounds with this resource, including teacher notes and a student worksheet
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ResourceBalancing chemical equations using magnesium and oxygen | Johnstone’s triangle worksheets | 14–16 years
Introduce Johnstone’s triangle with these teacher notes and a student worksheet to help learners gain a deeper understanding of balancing chemical equations