Quick starter; Video: 1.6.11 Exploring sound Sound produced by vibrations of Identify how sounds are Worksheet 1.6.11 objects; sound waves are made; describe how sound Vegetable orchestra; Practical sheet longitudinal waves transfer energy; Interactive activity: Order 1.6.11 explain how loud and quiet the sounds from loudest to Technician’s notes sounds are made. quietest 1.6.11 1.6.12 Describing sound Sound produced by vibrations of Describe how the pitch of a Worksheet 1.6.12 Quick starter; Slideshow: Include the objects, in loudspeakers; sound wave can be changed; Tuning up an orchestra: nature of Technician’s notes detected by their effect on apply the terms frequency, What does 'in tune' sound as a 1.6.12 microphone diaphragm and the wavelength and amplitude to mean?; Interactive activity: longitudinal ear drum different waveforms. wave, as Match the 'sound' term to the correct definition introduced Frequencies of sound waves, in lesson measured in hertz (Hz) 1.6.11 Quick starter; Interactive 1.6.13 Measuring the speed Echoes; the speed of sound in air Describe what an echo is; Worksheet 1.6.13 May be of sound describe how the speed of activity: Sound' combined Practical sheet sound can be measured using statements; Ice-cream with 1.6.14 1.6.13 echoes; calculate distances splat: Key vocabulary using ideas about echoes. game 1.6.14 Understanding how Sound needs a medium to travel; Recognise how the speed of Worksheet 1.6.14 Quick starter; Interactive activity: Speed of sound; sounds travels the speed of sound in air, in sound changes in different Practical sheet through materials water, in solids substances; use the particle Slideshow: Mach numbers 1.6.14 model to explain why there and air density Technician’s notes are differences when sound 1.6.14 travels through solids, liquids and gases. 1.6.15 Learning about the Echoes, reflection and absorption Recognise which materials Worksheet 1.6.15 Quick starter; Interactive May be reflection and of sound affect the quality of sound; activity: Good absorbers of reduced in Practical sheet absorption of sound analyse the effects of different sound? scope 1.6.15 materials on sound waves; Technician’s notes use ideas about energy 1.6.15 transfer to explain how soundproofing works.
1.6.11 Exploring sound Sound produced by vibrations of objects; sound waves are longitudinal Identify how sounds are made; describe how sound waves transfer energy; explain how loud and quiet sounds are made. Worksheet 1.6.11 Practical sheet 1.6.11 Technician’s notes 1.6.11 Quick starter; Video: Vegetable orchestra; Interactive activity: Order the sounds from loudest to quietest 1.6.12 Describing sound Sound produced by vibrations of objects, in loudspeakers; detected by their effect on microphone diaphragm and the ear drum Frequencies of sound waves, measured in hertz (Hz) Describe how the pitch of a sound wave can be changed; apply the terms frequency, wavelength and amplitude to different waveforms. Worksheet 1.6.12 Technician’s notes 1.6.12 Quick starter; Slideshow: Tuning up an orchestra: What does 'in tune' mean?; Interactive activity: Match the 'sound' term to the correct definition Include the nature of sound as a longitudinal wave, as introduced in lesson 1.6.11 1.6.13 Measuring the speed of sound Echoes; the speed of sound in air Describe what an echo is; describe how the speed of sound can be measured using echoes; calculate distances using ideas about echoes. Worksheet 1.6.13 Practical sheet 1.6.13 Quick starter; Interactive activity: Sound' statements; Ice-cream splat: Key vocabulary game May be combined with 1.6.14 1.6.14 Understanding how sounds travels through materials Sound needs a medium to travel; the speed of sound in air, in water, in solids Recognise how the speed of sound changes in different substances; use the particle model to explain why there are differences when sound travels through solids, liquids and gases. Worksheet 1.6.14 Practical sheet 1.6.14 Technician’s notes 1.6.14 Quick starter; Interactive activity: Speed of sound; Slideshow: Mach numbers and air density 1.6.15 Learning about the reflection and absorption of sound Echoes, reflection and absorption of sound Recognise which materials affect the quality of sound; analyse the effects of different materials on sound waves; use ideas about energy transfer to explain how soundproofing works. Worksheet 1.6.15 Practical sheet 1.6.15 Technician’s notes 1.6.15 Quick starter; Interactive activity: Good absorbers of sound? May be reduced in scope