by heating between materials at adapting their housing. Discuss the validity of their for filled with warm different temperatures. ideas put forward. model by water and Explain how internal energy and researching wrapped in a temperature are different. Exploring: Sweat and cooling relevant Plot graphs. damp paper Identify the direction in which energy Model a sweaty human body using a information about towel or kitchen will be transferred in given plastic drinks bottle with warm the human body roll. Students circumstances. water and wrapped in a damp paper and comparing it then use this Recall the effect of evaporation on the towel or kitchen roll. Then ask with similar model to find temperature of the remaining liquid students to use this model to find out information about out if sweat can and recall ways of reducing energy if sweat can help you to cool down. their model. help you to cool transfers by evaporation. down. Describe the factors that determine Explaining: The cooling effect of the temperature of an object. evaporation Securing Explain the link between the Describe the factors that affect the average speed of particles and rate of transfer of energy by heating. temperature, and why evaporation Use the particle model of matter to produces a cooling effect. explain energy transfer by evaporation from a surface. Plenary: Cooling by evaporation Exceeding Put one drop of surgical spirit on Convert between the Kelvin and to the back of students’ hands, and Celsius scales. one drop of water. Ask students to Describe how the average kinetic explain why the surgical spirit feels energy of the particles in a gas relates colder than the water, even though to its Kelvin temperature. both are at room temperature. Lesson 8Kb: Transferring energy Learning objectives Exemplar teaching activities Differentiation Resources Maths skills Practical skills Developing Starter: Touching materials n/a Resources Choosing Students Recall that energy can be transferred Provide students with a range of from 8Kb and using a measure how by heating in conduction, radiation and different materials, including metal Exploring suitable level fast heat travels convection. objects and insulating materials, such Science. of accuracy along a metal Recall examples of common thermal as polystyrene foam. Ask them to for rod, using a conductors and insulators. touch each material and decide clamp and Identify the process(es) in which whether it feels warm or cold. Ask temperature energy is transferred by heating in a them to suggest why the materials sensors at equal
by heating between materials at different temperatures. Explain how internal energy and temperature are different. Identify the direction in which energy will be transferred in given circumstances. Recall the effect of evaporation on the temperature of the remaining liquid and recall ways of reducing energy transfers by evaporation. Describe the factors that determine the temperature of an object. Securing Describe the factors that affect the rate of transfer of energy by heating. Use the particle model of matter to explain energy transfer by evaporation from a surface. Exceeding Convert between the Kelvin and Celsius scales. Describe how the average kinetic energy of the particles in a gas relates to its Kelvin temperature. adapting their housing. Discuss the ideas put forward. Exploring: Sweat and cooling Model a sweaty human body using a plastic drinks bottle with warm water and wrapped in a damp paper towel or kitchen roll. Then ask students to use this model to find out if sweat can help you to cool down. Explaining: The cooling effect of evaporation Explain the link between the average speed of particles and temperature, and why evaporation produces a cooling effect. Plenary: Cooling by evaporation Put one drop of surgical spirit on to the back of students’ hands, and one drop of water. Ask students to explain why the surgical spirit feels colder than the water, even though both are at room temperature. validity of their model by researching relevant information about the human body and comparing it with similar information about their model. for Plot graphs. filled with warm water and wrapped in a damp paper towel or kitchen roll. Students then use this model to find out if sweat can help you to cool down. Lesson 8Kb: Transferring energy Learning objectives Exemplar teaching activities Differentiation Resources Maths skills Practical skills Developing Recall that energy can be transferred by heating in conduction, radiation and convection. Recall examples of common thermal conductors and insulators. Identify the process(es) in which energy is transferred by heating in a Starter: Touching materials Provide students with a range of different materials, including metal objects and insulating materials, such as polystyrene foam. Ask them to touch each material and decide whether it feels warm or cold. Ask them to suggest why the materials n/a Resources from 8Kb Exploring Science. Choosing and using a suitable level of accuracy for Students measure how fast heat travels along a metal rod, using a clamp and temperature sensors at equal
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