How houses are insulated against heat loss 3.3 Sound Time Topic Cur ref objectives Activities Resources Assessment Frame Worksheets and 3 lessons sound 3.3 Describe the production of by Use a variety of musical instruments vibrating sources. Describe the to introduce this section. A signal PowerPoint’s available on longitudinal nature of sound generator and loudspeaker can be the S-drive. waves. State the approximate used to investigate the range of range of audible frequencies. audible frequencies. A bell in a bell jar Show an understanding that a that can be evacuated can be used to medium is required in order to show that a medium is required for transmit sound waves. Describe an the transmission of sound (at the experiment to determine the same time showing that light travels speed of sound in air. Relate the through a vacuum). Use of a C.R.O. loudness and pitch of sound waves and microphone gives a visual picture to amplitude and frequency. of amplitude and frequency. Extension candidates can analyse the Describe compression and C.R.O. traces in more detail. rarefaction Basic idea of resonance You could take the students Worksheets and 1-2 lesson Uses of sound Describe how the reflection of sound may produce an echo. outside to measure the speed of PowerPoint’s available on – Sonar sound using an echo. the S-drive. Ultrasound 3.1 Wave properties Time Topic objectives Activities Resources Assessment Cur ref
How houses are insulated against heat loss 3.3 Sound Time Frame Topic Cur ref objectives Activities Resources Assessment 3 lessons sound 3.3 Describe the production of by vibrating sources. Describe the longitudinal nature of sound waves. State the approximate range of audible frequencies. Show an understanding that a medium is required in order to transmit sound waves. Describe an experiment to determine the speed of sound in air. Relate the loudness and pitch of sound waves to amplitude and frequency. Describe compression and rarefaction Basic idea of resonance Use a variety of musical instruments to introduce this section. A signal generator and loudspeaker can be used to investigate the range of audible frequencies. A bell in a bell jar that can be evacuated can be used to show that a medium is required for the transmission of sound (at the same time showing that light travels through a vacuum). Use of a C.R.O. and microphone gives a visual picture of amplitude and frequency. Extension candidates can analyse the C.R.O. traces in more detail. Worksheets and PowerPoint’s available on the S-drive. 1-2 lesson Uses of sound Describe how the reflection of sound may produce an echo. – Sonar Ultrasound You could take the students outside to measure the speed of sound using an echo. Worksheets and PowerPoint’s available on the S-drive. 3.1 Wave properties Time Topic Cur ref objectives Activities Resources Assessment
igcse%20y9%20physics%202013-14%20v2.docx