New GCSE AQA Physics lesson on 'Melting and Boiling points of substances (changes in states)' written in line with new AQA Physics specification
Lesson Outline:
Starter uses 5 quick question to recap some prior content question some key concepts for the lesson. Pure substances are discussed using a visual game to recognise if a pure substance is being shown or not - leading to a key definition.
Melting and boiling points are then highlighted and linked back to the previous changes of states illustration. Impurities in substances are then discussed to show the importance of pure substances in melting and boiling points.
An experiment to acquire data on melting and boiling points of water is outlined which lead to plotting a change of state graph.
An ideal change of state diagram then allows the teacher to discuss with the class trends and key points along the graph.
Lesson Objectives:
- Identify pure substances and mixtures.
- Explain what is meant by melting point and boiling point of a substance.-
- Compare and contrast boiling and evaporation.
- Detail changes in state of substance using a graph.
Lesson Outline:
Starter uses 5 quick question to recap some prior content question some key concepts for the lesson. Pure substances are discussed using a visual game to recognise if a pure substance is being shown or not - leading to a key definition.
Melting and boiling points are then highlighted and linked back to the previous changes of states illustration. Impurities in substances are then discussed to show the importance of pure substances in melting and boiling points.
An experiment to acquire data on melting and boiling points of water is outlined which lead to plotting a change of state graph.
An ideal change of state diagram then allows the teacher to discuss with the class trends and key points along the graph.
Lesson Objectives:
- Identify pure substances and mixtures.
- Explain what is meant by melting point and boiling point of a substance.-
- Compare and contrast boiling and evaporation.
- Detail changes in state of substance using a graph.
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