given situation. feel different to the touch. intervals along Describe how energy is transferred in it. conduction, convection and radiation. Exploring: How fast does metal Explain why particular materials are conduct heat? Demonstrate a used for given purposes. Students measure how fast heat convection Use the particle model of matter to travels along a metal rod, using a current in water explain energy transfers by conduction clamp and temperature sensors at using a and convection. equal intervals along it. potassium Securing manganate(VII) Compare conduction in thermal Explaining: Convection in water crystal, a tube, conductors and thermal insulators. Demonstrate a convection current in a beaker of Explain the process(es) in which water using a potassium water and a energy is transferred by heating in a manganate(VII) crystal, a tube, a Bunsen burner. given situation. beaker of water and a Bunsen burner. Compare conduction, convection, Ask students to explain why some of Show students radiation and evaporation as methods the water turns purple and then why two of heat energy transfer. the purple water moves in the way it demonstrations Exceeding does. (wood and Explain the causes and effects of wind metal, and a chill. Plenary: Energy transfer smoke box) and demonstrations ask them to Show students two demonstrations explain what is (wood and metal, and a smoke box) happening in and ask them to explain what is each case. happening in each case, using words such as conductor, insulator, density, convection, etc., as appropriate. Lesson 8Kc: Controlling transfers Learning objectives Exemplar teaching activities Differentiation Resources Maths skills Practical skills Developing Starter: Water as an insulator n/a Resources Choosing Demonstrate Recall ways of reducing energy Ask students what they think will from 8Kc and using a what happens transfer by conduction, convection and happen when you heat a Exploring suitable level when you heat evaporation. borosilicate glass boiling tube of Science. of accuracy a Apply the idea of different colours water with an ice cube held at its for borosilicate being good or poor emitters or base with a piece of gauze. boiling tube of
given situation. Describe how energy is transferred in conduction, convection and radiation. Explain why particular materials are used for given purposes. Use the particle model of matter to explain energy transfers by conduction and convection. Securing Compare conduction in thermal conductors and thermal insulators. Explain the process(es) in which energy is transferred by heating in a given situation. Compare conduction, convection, radiation and evaporation as methods of heat energy transfer. Exceeding Explain the causes and effects of wind chill. feel different to the touch. Exploring: How fast does metal conduct heat? Students measure how fast heat travels along a metal rod, using a clamp and temperature sensors at equal intervals along it. Explaining: Convection in water Demonstrate a convection current in water using a potassium manganate(VII) crystal, a tube, a beaker of water and a Bunsen burner. Ask students to explain why some of the water turns purple and then why the purple water moves in the way it does. Plenary: Energy transfer demonstrations Show students two demonstrations (wood and metal, and a smoke box) and ask them to explain what is happening in each case, using words such as conductor, insulator, density, convection, etc., as appropriate. intervals along it. Demonstrate a convection current in water using a potassium manganate(VII) crystal, a tube, a beaker of water and a Bunsen burner. Show students two demonstrations (wood and metal, and a smoke box) and ask them to explain what is happening in each case. Lesson 8Kc: Controlling transfers Learning objectives Exemplar teaching activities Differentiation Resources Maths skills Practical skills Developing Recall ways of reducing energy transfer by conduction, convection and evaporation. Apply the idea of different colours being good or poor emitters or Starter: Water as an insulator Ask students what they think will happen when you heat a borosilicate glass boiling tube of water with an ice cube held at its base with a piece of gauze. n/a Resources from 8Kc Exploring Science. Choosing and using a suitable level of accuracy for Demonstrate what happens when you heat a borosilicate boiling tube of
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