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School Physics revision notes: Sound energy

TYPES OF ENERGY - examples explained

(i) Sound energy

Doc Brown's GCSE 9-1 Physics Revision Notes

Suitable for GCSE/IGCSE Physics/Science courses or their equivalent

This page will help you answer questions such as ...  How is sound energy produced?  Can you store sound energy?


Sound energy - technically not an energy store, but an important form of energy transfer

  • Sound is caused by any material object vibrating (piano strings, vocal chords) or any vibrations in a material (earthquake waves in the Earth's crust) - its all the same really!

  • This is energy carried by the vibrations of sound waves in a medium usually air, but can be liquids like water or solids like iron.

  • Noise from loudspeakers, squealing brakes of a car, using your vocal chords!

  • Useful as it is, you cannot store sound energy as the vibration energy is always dissipated to the surroundings - usually increasing the thermal energy store of anything the sound waves impact on (absorption) and the surroundings.- therefore In most cases the energy from sound waves increases the thermal energy stores of these materials.

  • See Sound waves - properties explained, uses of sound including ultrasound for all the details


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Energy resources, energy transfers, work done and electrical power supply revision notes index

Types of energy & stores - examples compared/explained, calculations of mechanical work done and power

Chemical energy stores  * Elastic potential energy stores, calculations  * Electrical & electrostatic energy stores

Gravitational potential energy and calculations  *  Kinetic energy stores and calculations  *  Nuclear energy store

Thermal energy stores  *  Light energy  * Sound energy  * Magnetic energy stores

Conservation of energy, energy transfers-conversions, efficiency - calculations and Sankey diagrams gcse physics

See also More on methods of reducing heat transfer eg in a house, insulating properties of materials

Energy resources: uses, general survey & trends, comparing renewables, non-renewables, generating electricity

Renewable energy (1) Wind power and solar power, advantages and disadvantages gcse physics revision notes

Renewable energy (2) Hydroelectric power and geothermal power, advantages and disadvantages gcse physics

Renewable energy (3) Wave power and tidal barrage power, advantages and disadvantages gcse physics

See also Renewable energy - biomass - biofuels & alternative fuels, hydrogen, biogas, biodiesel gcse chemistry notes

Greenhouse effect, global warming, climate change, carbon footprint from fossil fuel burning gcse chemistry

The absorption and emission of radiation by materials - temperature & surface factors including global warming

The Usefulness of Electricity gcse physics electricity revision notes

and The 'National Grid' power supply, mention of small scale supplies, transformers gcse physics notes


Doc Brown's School Physics Revision Notes

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