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Sound Science Lesson Starters Key Stage 3 & 4

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Uploaded on Apr 27, 2011

Show Key Stage 3/4 physics students the different effects of sound, as demonstrated in this classroom resource for secondary science, designed to be used on an interactive whiteboard.

Download sectioned video and get resources at http://www.acoustics.salford.ac.uk/sc...

Using high-speed camera technology, Trevor Cox professor of acoustics at the University of Salford, conducts experiments in sound. He firstly shows what happens when rubbing the rim of a glass of water is slowed down to 80 times less than normal speed.

Trevor then demonstrates the sound effects of a tuning fork, a triangle, a cymbal and a guitar, as well as the impact of sound on a soap bubble, burning candles and a wine glass.

Using an oscilloscope Trevor then shows the difference in frequencies produced by different octaves played on a saxophone.

The 'confusaphone' shows what happens when one's left and right hearing is mixed up, and Trevor examines the effect of a sonic boom, created by a cracking whip.

He finally assesses the effect of echo and the varying sounds we can create with our own bodies.

Originally developed for Teachers TV

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