Exceeding Explaining: Internal and external fuel can be used Describe how rocket engines obtain to produce combustion engines enough oxygen in space to explode Demonstrate a model steam engine movement (or using oxidising agents. to show how the combustion of fuel can use a video be used to produce movement (or use a from the video from the Internet). Compare this Internet). with a video or diagram of how an Compare this internal combustion engine works. with a video or diagram of how Plenary: an internal Thinking about burning fuels Odd One Out: candle, hydrogen, petrol, combustion water. (Possible answers: hydrogen is works. the only gas; water, because it is a product of a combustion reaction and the others are reactants in combustion reactions; water because it is not a hydrocarbon.) Lesson 8Eb: Oxidation Learning objectives Exemplar teaching activities Differentiation Resources Maths skills Practical skills Developing Starter: Combustion concept map 1 n/a Resources n/a Students use a State what happens to mass in a Write the word in the from 8Eb tea light or ‘combustion’ chemical reaction. middle of the board and ask students Exploring spirit burner to State the meaning of: oxidation. to suggest related words and identify Science. investigate any Describe the reactions of metals with how they should be linked to change in mass oxygen. produce a concept map. Encourage after burning. Identify and explain the products students to suggest definitions for formed by the oxidation of metals. any related terms. Securing Explain the change in mass seen in Exploring: Losing mass reactions. Students use a tea light or spirit Compare and contrast the oxygen and burner to investigate any change in phlogiston theories for combustion. mass after burning. They should Exceeding explain any change using what they Evaluate the evidence used to displace have learnt about the combustion of the phlogiston theory of combustion. hydrocarbons.
Exceeding Describe how rocket engines obtain enough oxygen in space to explode using oxidising agents. Explaining: Internal and external combustion engines Demonstrate a model steam engine to show how the combustion of fuel can be used to produce movement (or use a video from the Internet). Compare this with a video or diagram of how an internal combustion engine works. Plenary: Thinking about burning fuels Odd One Out: candle, hydrogen, petrol, water. (Possible answers: hydrogen is the only gas; water, because it is a product of a combustion reaction and the others are reactants in combustion reactions; water because it is not a hydrocarbon.) fuel can be used to produce movement (or use a video from the Internet). Compare this with a video or diagram of how an internal combustion works. Lesson 8Eb: Oxidation Learning objectives Exemplar teaching activities Differentiation Resources Maths skills Practical skills Developing State what happens to mass in a chemical reaction. State the meaning of: oxidation. Describe the reactions of metals with oxygen. Identify and explain the products formed by the oxidation of metals. Securing Explain the change in mass seen in reactions. Compare and contrast the oxygen and phlogiston theories for combustion. Exceeding Evaluate the evidence used to displace the phlogiston theory of combustion. Starter: Combustion concept map 1 Write the word ‘combustion’ in the middle of the board and ask students to suggest related words and identify how they should be linked to produce a concept map. Encourage students to suggest definitions for any related terms. Exploring: Losing mass Students use a tea light or spirit burner to investigate any change in mass after burning. They should explain any change using what they have learnt about the combustion of hydrocarbons. n/a Resources from 8Eb Exploring Science. n/a Students use a tea light or spirit burner to investigate any change in mass after burning.