Explain some effects caused by air or Ask students to find out about increase athletic to help students water pressure using ideas about altitude sickness: when it occurs, performance. appreciate the forces. what its causes and symptoms are, idea of pressure Use the particle model of matter to and how it can be treated. acting equally in explain atmospheric pressure in all directions in different situations. Explaining: Pressure all around terms of Explain why pressure in a fluid Ask students to put on a disposable particles increases with depth. plastic glove and put their hand in a and their Use the particle model of matter to bowl of water. Use the experience to movement. explain why gas pressure changes with help students appreciate the idea of temperature, number of particles and pressure acting equally in all volume. directions in terms of particles Exceeding and their movement. Apply ideas about pressure to barometers and altimeters. Plenary: Thinking about pressure Use the equation relating pressure to What Was The Question?: There are the depth and density of a liquid. more particles in each unit volume of air. (Possible questions: Why is the pressure higher inside a tyre when it has been pumped up? Why is it easier to breathe at sea level than on the top of a high mountain?) Lesson 8Id: Floating and sinking Learning objectives Exemplar teaching activities Differentiation Resources Maths skills Practical skills Developing Starter: Dancing raisins Exploring: Resources Apply Demonstrate State what is meant by upthrust. Demonstrate ‘dancing raisins’ by Factors affecting from 8Id ‘dancing raisins’ Explain why an object floats. putting a few raisins into a beaker or upthrust Exploring concepts by putting a Recall the factors that affect the glass of a colourless fizzy drink such Extend the Science. and calculate few raisins into amount of upthrust on an object. as lemonade. Ask students to investigation by results. a beaker or Securing observe and describe what is asking students glass of a Work out if something will float. happening and then to suggest and to investigate colourless Use ideas about density changes to discuss reasons for these materials that fizzy drink such explain how a hot air balloon flies/how observations. float, to find out as lemonade. the depth of a submarine is controlled. how the volume Exceeding Exploring: Factors affecting upthrust of each sample Students carry
Explain some effects caused by air or water pressure using ideas about forces. Use the particle model of matter to explain atmospheric pressure in different situations. Explain why pressure in a fluid increases with depth. Use the particle model of matter to explain why gas pressure changes with temperature, number of particles and volume. Exceeding Apply ideas about pressure to barometers and altimeters. Use the equation relating pressure to the depth and density of a liquid. Ask students to find out about altitude sickness: when it occurs, what its causes and symptoms are, and how it can be treated. Explaining: Pressure all around Ask students to put on a disposable plastic glove and put their hand in a bowl of water. Use the experience to help students appreciate the idea of pressure acting equally in all directions in terms of particles and their movement. Plenary: Thinking about pressure What Was The Question?: There are more particles in each unit volume of air. (Possible questions: Why is the pressure higher inside a tyre when it has been pumped up? Why is it easier to breathe at sea level than on the top of a high mountain?) increase athletic performance. to help students appreciate the idea of pressure acting equally in all directions in terms of particles and their movement. Lesson 8Id: Floating and sinking Learning objectives Exemplar teaching activities Differentiation Resources Maths skills Practical skills Developing State what is meant by upthrust. Explain why an object floats. Recall the factors that affect the amount of upthrust on an object. Securing Work out if something will float. Use ideas about density changes to explain how a hot air balloon flies/how the depth of a submarine is controlled. Exceeding Starter: Dancing raisins Demonstrate ‘dancing raisins’ by putting a few raisins into a beaker or glass of a colourless fizzy drink such as lemonade. Ask students to observe and describe what is happening and then to suggest and discuss reasons for these observations. Exploring: Factors affecting upthrust Exploring: Factors affecting upthrust Extend the investigation by asking students to investigate materials that float, to find out how the volume of each sample Resources from 8Id Exploring Science. Apply concepts and calculate results. Demonstrate ‘dancing raisins’ by putting a few raisins into a beaker or glass of a colourless fizzy drink such as lemonade. Students carry
Physics25years.docx