Model simple reactions using symbol equations. Explaining: Conservation of mass demonstration Demonstrate the oxidation of a metal (e.g. copper) in a closed system to show students that there is no change in mass during an oxidation reaction. Plenary: Combustion concept map 2 Students return to their concept maps from the Starter. Using a different colour of pen they should add or amend anything that they think is appropriate following the lesson. Lesson 8Ec: Fire safety Learning objectives Exemplar teaching activities Differentiation Resources Maths skills Practical skills Developing Starter: The fire triangle Exploring: Resources n/a Students plan Name the three sides of the fire Ask students what they think is Comparing fuels from 8Ec and carry out triangle. needed for a fire. Collect Challenge Exploring an investigation Describe how to stay safe in familiar contributions and use them to students to Science. to show which situations. construct a fire triangle on the board. identify as many fuel releases Recognise hazard symbols. variables as the most Use the idea of the triangle’ to Exploring: Comparing fuels possible. They energy during ‘fire explain how to extinguish a fire. Students plan and carry out an can investigate combustion. Explain why different types of fire need investigation to show which fuel some. to be put out in different ways. releases the most energy during Securing combustion. Suitable fuels include the Describe what is meant by exothermic alcohols methanol, ethanol, changes. and butan-1-ol. The focus is on Compare the temperature rise of planning a fair test and identifying when some fuels are burnt. ways to control the variables. knowledge of explosive reactions to explain why they occur more/less Explaining: Test for oxygen
Model simple reactions using symbol equations. Explaining: Conservation of mass demonstration Demonstrate the oxidation of a metal (e.g. copper) in a closed system to show students that there is no change in mass during an oxidation reaction. Plenary: Combustion concept map 2 Students return to their concept maps from the Starter. Using a different colour of pen they should add or amend anything that they think is appropriate following the lesson. Lesson 8Ec: Fire safety Learning objectives Exemplar teaching activities Differentiation Resources Maths skills Practical skills Developing Name the three sides of the fire triangle. Describe how to stay safe in familiar situations. Recognise hazard symbols. Use the idea of the ‘fire triangle’ to explain how to extinguish a fire. Explain why different types of fire need to be put out in different ways. Securing Describe what is meant by exothermic changes. Compare the temperature rise of when some fuels are burnt. knowledge of explosive reactions to explain why they occur more/less Starter: The fire triangle Ask students what they think is needed for a fire. Collect contributions and use them to construct a fire triangle on the board. Exploring: Comparing fuels Students plan and carry out an investigation to show which fuel releases the most energy during combustion. Suitable fuels include the alcohols methanol, ethanol, and butan-1-ol. The focus is on planning a fair test and identifying ways to control the variables. Explaining: Test for oxygen Exploring: Comparing fuels Challenge students to identify as many variables as possible. They can investigate some. Resources from 8Ec Exploring Science. n/a Students plan and carry out an investigation to show which fuel releases the most energy during combustion.
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