This is a lesson aimed at the NEW AQA Trilogy 'Particle models of matter' SoW for the new Physics specification.
The lesson begins by recapping on the definitions of melting point, boiling point and freezing point. Pupils will also be asked to consider why salt is added to a pan of water or to roads which may become icy to get them thinking about how impurities can affect the melting/boiling point of a substance.
This then leads on to the introduction of a temperature-time graph demonstrating changes in state, pupils will need to sketch the graph and then match statements to the correct numbered step on the graph.
The next slide introduces the idea of latent heat, this will be explored in more detail in a separate lesson. In the next activity pupils will use data to produce a graph and then answer questions on the data they have produced.
The plenary activity is a past-paper question, mark scheme provided for pupils to peer-assess their work.
The lesson begins by recapping on the definitions of melting point, boiling point and freezing point. Pupils will also be asked to consider why salt is added to a pan of water or to roads which may become icy to get them thinking about how impurities can affect the melting/boiling point of a substance.
This then leads on to the introduction of a temperature-time graph demonstrating changes in state, pupils will need to sketch the graph and then match statements to the correct numbered step on the graph.
The next slide introduces the idea of latent heat, this will be explored in more detail in a separate lesson. In the next activity pupils will use data to produce a graph and then answer questions on the data they have produced.
The plenary activity is a past-paper question, mark scheme provided for pupils to peer-assess their work.
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