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Water-Bottle Membranophone

This activity invites students to make a membranophone, an instrument that produces sound from a vibrating stretched membrane. The activity includes a list of tools and materials required, assembly instructions, what to do and notice, an explanation for the underlying science of what students observe and suggestions for ...

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Organ Pipe

This activity invites students to make a model organ pipe and explore how to amplify a tuning fork by holding it over the pipe and changing the length of the pipe. They investigate how at certain pipe lengths, the pitch made by the tuning fork sounds very loud as it resonates with the air column in the pipe. The activity ...

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Ian Frazer describes medical research work, 2008

This is an edited sound recording of Australian medical scientist Ian Frazer outlining some of the joys and frustrations of a career as a medical researcher. One advantage, he says, is that researchers know that many people may benefit from the work they themselves are enjoying, but he warns against a career as a research ...

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'Vaccination Day in Port Mackay!', 1877

This black-and-white pen-and-ink sketch depicts vaccinations against smallpox in Mackay, Queensland, in 1877. In the sketch the local public health officer, who appears to be shouting, wields a large knife and is about to vaccinate a fearful child on his lap. The child's mother holds the child's arm while it screams. A ...