2.5.13 Pressure in liquids, increasing Worksheet Quick starter; Describe how pressure Exploring with depth; upthrust effects, in a liquid alters with 2.5.13; Interactive activity: pressure in a floating and sinking depth Complete the Technician’s liquid Explain pressure notes 2.5.13 sentences about increases in relation to pressure in liquids particles and gravity 2.5.14 Pressure in liquids, Worksheet Quick starter; Explain why some Explaining increasing with depth; objects float and others 2.5.14; Practical Slideshow: floating and sink upthrust effects, floating sheet 2.5.14; Balloons: Hot-air, sinking and sinking Relate floating and hydrogen and Technician’s sinking to density, notes 2.5.14 helium balloons to – displacement and emphasise that upthrust buoyancy isn’t Explain the implications limited to water; of these ideas Interactive activity: Define the key terms about floating and sinking; Hangman: Key vocabulary game 2.5.15 Worksheet Quick starter; May be combined Atmospheric pressure; Explore how the Exploring gas decreases with increase of pressure in a gas varies 2.5.15; Interactive activity: with lesson 2.5.16 pressure height as weight of air above with height Drag the Technician’s decreases with height Explain the implications notes 2.5.15 descriptions which of this changing represent high or pressure low atmospheric pressure
2.5.13 Exploring pressure in a liquid Pressure in liquids, increasing with depth; upthrust effects, floating and sinking Describe how pressure in a liquid alters with depth Explain pressure increases in relation to particles and gravity Worksheet 2.5.13; Technician’s notes 2.5.13 Quick starter; Interactive activity: Complete the sentences about pressure in liquids 2.5.14 Explaining floating and sinking Pressure in liquids, increasing with depth; upthrust effects, floating and sinking Explain why some objects float and others sink Relate floating and sinking to density, displacement and upthrust Explain the implications of these ideas Worksheet 2.5.14; Practical sheet 2.5.14; Technician’s notes 2.5.14 Quick starter; Slideshow: Balloons: Hot-air, hydrogen and helium balloons – to emphasise that buoyancy isn’t limited to water; Interactive activity: Define the key terms about floating and sinking; Hangman: Key vocabulary game 2.5.15 Exploring gas pressure Atmospheric pressure; decreases with increase of height as weight of air above decreases with height Explore how the pressure in a gas varies with height Explain the implications of this changing pressure Worksheet 2.5.15; Technician’s notes 2.5.15 Quick starter; Interactive activity: Drag the descriptions which represent high or low atmospheric pressure May be combined with lesson 2.5.16