Identify situations in which an energy Outline some of the possible transfer is taking place. consequences of climate change, and Explain how certain gases cause the explain that while increased carbon greenhouse effect. dioxide emissions is widely thought to Explain how the levels of greenhouse be the major cause not all scientists gases in the atmosphere can be agree. prevented from increasing further. Explain the source of the energy in Plenary: Thinking skills fuels. What Was The Question: carbon Exceeding dioxide. (Possible questions: What Describe energy transfer chains for gas is released when fossil fuels given situations. burn? What gas is contributing to Explain whether a machine is more climate change?) efficient than another. Lesson 7Ja: Current Learning objectives Exemplar teaching activities Differentiation Resources Maths skills Practical skills Developing Starter: Torch circuits Exploring: Resources The use of Students check Recall materials that are conductors and Show students a torch and, if Testing wires from 7Ja symbols a set of insulators. possible, dismantle it to show the The circuit can be Exploring when insulated wires State the meaning of: conductor, circuit inside. Ask students to extended to Science. to see which insulator, complete circuit, ammeter, describe how the torch works in include faulty science. ones work. current. words and/or diagrams. bulbs. Describe why a cell is needed in a circuit. Explain how switches work to turn a Exploring: Testing wires circuit on or off. Supply students with a set of Identify common circuit components and insulated wires and ask them to their symbols. check which ones work. The wires Model circuits using simple circuit should have been prepared so that diagrams. some of them have the metal Measure current and state its unit. broken inside and will not conduct. Recall that current is not used up. Securing Explaining: Circuit diagrams Describe the effects of breaking or Provide drawings of symbols and removing bulbs in a circuit. circuit diagrams and ask students Use the idea of a complete circuit to test to match them. Give the students
Identify situations in which an energy transfer is taking place. Explain how certain gases cause the greenhouse effect. Explain how the levels of greenhouse gases in the atmosphere can be prevented from increasing further. Explain the source of the energy in fuels. Exceeding Describe energy transfer chains for given situations. Explain whether a machine is more efficient than another. Outline some of the possible consequences of climate change, and explain that while increased carbon dioxide emissions is widely thought to be the major cause not all scientists agree. Plenary: Thinking skills What Was The Question: carbon dioxide. (Possible questions: What gas is released when fossil fuels burn? What gas is contributing to climate change?) Lesson 7Ja: Current Learning objectives Exemplar teaching activities Differentiation Resources Maths skills Practical skills Developing Recall materials that are conductors and insulators. State the meaning of: conductor, insulator, complete circuit, ammeter, current. Describe why a cell is needed in a circuit. Explain how switches work to turn a circuit on or off. Identify common circuit components and their symbols. Model circuits using simple circuit diagrams. Measure current and state its unit. Recall that current is not used up. Securing Describe the effects of breaking or removing bulbs in a circuit. Use the idea of a complete circuit to test Starter: Torch circuits Show students a torch and, if possible, dismantle it to show the circuit inside. Ask students to describe how the torch works in words and/or diagrams. Exploring: Testing wires Supply students with a set of insulated wires and ask them to check which ones work. The wires should have been prepared so that some of them have the metal broken inside and will not conduct. Explaining: Circuit diagrams Provide drawings of symbols and circuit diagrams and ask students to match them. Give the students Exploring: Testing wires The circuit can be extended to include faulty bulbs. Resources from 7Ja Exploring Science. The use of symbols when science. Students check a set of insulated wires to see which ones work.