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Listed under:  Mathematics  >  Measurement  >  Units of measurement  >  Hertz
Moving Image

Cracking a glass by singing

Have you ever seen a glass being shattered by someone singing a top C, in a movie at least? To see whether it really is possible to crack a glass with just a sound, Sleek Geeks engage the help of real-life Australian opera singer Jane Parkin.

Interactive resource

The Metrix: frequency

Replace the Metrix computer’s failed CPU with the required frequency component. Use the metric measurement table to help you make unit conversions. This learning object is one in a series of 26 objects.

Interactive resource

Making music

Make musical notes by plucking a stringed instrument. Explore how a vibrating string creates pressure waves through the air. Look at graphs showing sounds as a waveform. Explore the relationships between string length, musical pitch and wave frequency. Compare musical notes with soundwave patterns and predict one from the ...

Interactive resource

Making music: free play

Make musical notes by plucking a stringed instrument. Explore how a vibrating string creates pressure waves through the air. Look at graphs showing sounds as a waveform. Explore the relationships between string length, musical pitch and wave frequency. Compare musical notes with soundwave patterns. This learning object ...

Interactive resource

Making music: match that sound

Make musical notes by plucking a stringed instrument. Explore how a vibrating string creates pressure waves through the air. Look at graphs showing sounds as a waveform. Explore the relationships between string length, musical pitch and wave frequency. Compare musical notes with soundwave patterns and predict one from the ...

Interactive resource

Making music: match that tune

Make musical notes by plucking a stringed instrument. Explore how a vibrating string creates pressure waves through the air. Look at graphs showing sounds as a waveform. Explore the relationships between string length, musical pitch and wave frequency. Compare musical notes with soundwave patterns and predict one from the ...

Interactive resource

Making music: make a tune

Make musical notes by plucking a stringed instrument. Explore how a vibrating string creates pressure waves through the air. Look at graphs showing sounds as a waveform. Explore the relationships between string length, musical pitch and wave frequency. Compare musical notes with soundwave patterns. Compose your own tune ...

Teacher resource

Give a frog a home - unit of work

This unit of work focuses on frogs. Students investigate the metamorphosis of tadpoles as they develop into frogs. They consider the contributions of frogs to the environment and develop an action plan to create a frog-friendly environment.

Audio

Brown note: bad vibration mega-hurts

This ABC article by Dr Karl investigates the myth that low frequency vibrations can result in an involuntary motion. The range of sound frequencies related to human hearing is described and how it can and cannot be used.