Temperature changes in exothermic and endothermic reactions

2020-08-03T10:02:00

An image showing sodium reacting with water

Source: © Science Photo Library

An experiment and worksheet to teach 11–14 students about temperature changes and chemical energetics

Energy is at the heart of chemical energetics, so supporting students in linking observation of temperature change with the energy transfers taking place is important. Use this experiment and student worksheet to boost your students’ understanding of chemical changes and energy transfer in exo- and endothermic reactions, encouraging them to think about the ‘chemical story’ and ‘energy story’ of the reactions.

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