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Listed under:  Science  >  Forces and energy  >  Waves (Energy)  >  Frequency (Waves)
Interactive resource

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 ...

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.

Collection

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 ...

Interactive resource

Simple harmonic motion

Use your knowledge of calculus and circular motion to analyse back-and-forth motion. Discover how the position, velocity and acceleration vary, but are closely related. Learn how to apply the theory to vibrating objects such as pendulums and loudspeakers. This resource consists of a video in four sections with a supporting ...

Interactive resource

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, ...

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 ...

Tablet friendly (Interactive resource)

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 ...

Teacher resource

NASA launchpad: making waves

This resource for educators details a learning sequence in which students work in teams to investigate different sections of the electromagnetic spectrum. For the spectral section, they research frequency, wavelength, energy, types of radiation and how humans encounter this radiation, and identify something that is the ...

Interactive Resource

Sites2See: Light and Matter

Links to resources to explore fundamental questions about light and matter and the application of the physics of light and matter to the past, the future and to space. Includes a quick quiz, links to additional DEC NSW physics resources and to the International Science School at the University of Sydney.

Interactive Resource

Fred Watson Masterclass

Fred Watson has been Astronomer-in-Charge at the Anglo-Australian Observatory (AAO) since 1995, pioneered work on optical fibres used optical telescopes and has had a long and entertaining scientific career. In this Masterclass, filmed at University of Western Sydney (UWS) Observatory, Fred Watson presents his ?Stargaze? ...