Bottles

• Resources Structure
• Key Stage 4
• Physics
• XV. Sounds
• 82. Sounds in music

• Exam Specifications
• Key Stage 4
• AQA GCSE Science A (4461) Physics
• III. Additional materials
• 1. Additional materials
• Additional materials
• AQA GCSE Physics (4451)
• II. Additional materials
• 1. Additional materials
• Additional materials
• AQA GCSE Physics (4451)
• VI. Physics 3
• 31. What is sound?
• The loudness of a note increases as the amplitude of the wave increases.
• The quality of a note depends upon the waveform.
• Sound waves can be reflected and refracted.
• to compare the amplitudes and frequencies of sounds from diagrams of oscilloscope traces.
• Sound is caused by mechanical vibrations and travels as a wave.
• Sounds in the range 20-20 000 Hz can be detected by the human ear.
• Sound cannot travel through a vacuum.
• The pitch of a note increases as the frequency increases.

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