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Listed under:  Waveforms

### Seeing with sound: sound lab tour

Explore how sound travels as a wave. Examine diagrams and simulations to answer a series of questions about sound properties. For example, identify the effects of compression waves on the vibration speed of particles. Test the effects of changing wave properties: frequency, wavelength and amplitude. Transmit sounds in a ...

### Seeing with sound

Explore how sound travels as a wave. Examine diagrams and simulations; answer questions about sound properties. Test the effects of changing wave properties: frequency, wavelength and amplitude. Transmit sounds in a range of mediums: air, water, steel or a vacuum. Find out how echolocation works. Measure speed and direction ...

### Simple harmonic motion

This collection of six digital curriculum resources includes resources that develop the theoretical and practical aspects of simple harmonic motion (SHM). Video sequences illustrate the fundamental kinematic principles of SHM and reference web pages provide background material on the mathematical techniques required, including ...

### What is a sound spectrum?

Learn how sounds can be represented graphically as a sound spectrum. Discover how the sound spectra of different instruments are different, even though they play the same note. See how a sound wave can be analysed as the sum of a fundamental frequency and numerous harmonics. This resource consists of a web page with text, ...

### Arawa soldier, 1865

This is a watercolour painting created by British soldier Horatio Gordon Robley (1840-1930) in 1865. He called it 'Arawa soldier warning off'. It shows a Mäori warrior with a moko (skin marking) on his face and a moko puhoro (marking on leg or thigh) on his left thigh. He wears a form of traditional clothing made of either ...

### War dance in 1851

This is a watercolour painting created by the military artist Captain T J Grant in 1851. The image shows a Mäori woman holding a mere pounamu (greenstone hand weapon) and leading six male Mäori warriors in a war dance. The first male warrior holds a tewhatewha (a close combat weapon around 2 metres long); the second, fourth ...

### Te Rauparaha wearing a naval uniform, late 1840s

This is a watercolour of the Ngäti Toa (tribe) chief Te Rauparaha wearing a naval uniform. Te Rauparaha has a moko (facial tattoo) and is wearing a light-blue naval cap, a jacket with gold buttons and gold epaulets on the shoulders, white trousers and brown shoes. Holding a taiaha kura (long-handled fighting club), he is ...

### Australasian Gazette - Maoris Give Their War Cry, c1922

This silent black-and-white clip shows newsreel footage of a rugby union match played between the New Zealand Maori team and the New South Wales side the Waratahs, possibly at the Sydney Cricket Ground (SCG) in the early 1920s. The New Zealand Maori players perform a haka (chant and dance) prior to the match, watched by ...