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ABC News: Sound waves measure ocean temperatures

View how scientists use underwater sound waves to measure ocean temperature changes in the Indian Ocean. The animations show how the technology called acoustic thermometry works. Australian scientists are working with a global network of 'listening posts' to monitor the long-term effects of climate change on ocean temperatures.

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AERO Ochre Science Year 9 Unit 1 - Light and sound

This sequence of 15 lessons describes the properties of light and sound, and how they interact with the world around us.

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BTN: The biggest radio telescope in the world

In the past, astronomers explored the universe with their eyes and optical telescopes, but what they could see was limited. Find out how radio telescopes have revolutionised the way astronomers 'see' the universe, allowing us to explore deeper into space than ever before.Watch this clip to learn about Australia's contribution ...

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Can photons and atoms generate laser?

Electrons around atoms can absorb and emit photons of particular colours of light – see three different atomic models explain what's going on.

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Can We Help?: 3D is back!

Andrew Woods from Curtin University answers the question 'How are 3D movies made?' Discover how how 3D glasses work. You might be surprised to find out how long ago people started making 3D movies.

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Catalyst: Electromagnetic radiation

Do you know how radios transmit sound, or how ultraviolet light travels through the air? Listen to Bernie Hobbs explain electromagnetic radiation and discover what radios, ultraviolet light, x-rays and nuclear blasts have in common. Find out about their energy levels, how they travel from place to place, and at what speed, ...

Online

Climate change – creating critical thinkers … not sceptics!

Climate change was once just part of the science domain, but today it is a political juggernaut! This unit explores the science of climate change as a scientific concept and a political issue. The unit includes PDF resources and video quiz challenges for teachers and student and the library section provides extra resources ...

Interactive

Colourful melodies

This resource explores making and organising sounds to compose a simple musical composition. Through making a rainbow water xylophone, students will learn how sound waves travel and how different pitches are produced.

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Colourful Weather, Ep 1: What shape is a rainbow?

All you need is water, the sky and sunlight and you’ve got something that’s colourful – with a pot of gold at each end. What is it? A rainbow! Find out what happens to sunlight inside a raindrop, why rainbow colours are always in the same order and the real shape of a rainbow. Tip: it’s not an arch!

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Colourful Weather, Ep 3: Why sunsets and sunrises will never be blue or green

Can you guess how many sunsets and sunrises an astronaut on the International Space Station sees every 24 hours? Sixteen! Imagine seeing all those spectacular colours so many times a day (even if the view lasts only a few seconds as they zoom by). Find out exactly why sunrises and sunsets are red, orange and golden but ...

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Designer Ears

This activity invites students to design and make 'better' ears for themselves using card. They explore how their ears relate to different shaped ears for different animals and how the structure is related to their function. The activity includes a list of tools and materials required, assembly instructions, what to do ...

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Earthshine

This six and a half minute video segment from Catalyst explains Earthshine as light from our own Earth reflected back from the Moon's dark side. A PhD student is studying it to learn about how light reflects from a planet that contains liquid water as well as land. Her work may one day lead to the discovery of other planets ...

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Elliot and the Surfing Scientist: Making a mobile phone disco

Have you ever wondered how sound travels? Watch Ruben Meerman, the Surfing Scientist, as he makes a mini disco using his mobile phone to discover the answer.

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Fuses and Circuit Breakers

Students use this resource consisting of five slides with diagrams, written explanation and voice-over to understand how a fuse protects a circuit and learn some uses of resettable circuit breakers. There is a two-question quiz and a summary slide.

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How do prisms create rainbows?

Zoom inside a glass prism and see why glass makes light bend, and how the glass molecules make different colours of light bend different amounts.

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How does the retina work?

When electrons in your retina absorb photons of light they don't emit light, they cause a molecule to change shape - and that lets you see colour!

Interactive

Laptop wrap: Under universal skies

A webpage with a focus on the electromagnetic spectrum and its links with radio astronomy with supporting activities and links to resources.

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Light takes time to travel through space

Light travels in waves and carries information as it moves from one object to another. In this clip, people are used to represent the Sun, planets and light rays in order to show that light takes time to travel through space bringing information from those objects to us on Earth. Discover that by the time we receive this ...

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Making Sense of our Senses

This informative digital text about senses is for teachers to read aloud to students. The text explains how our five main senses (hearing, sight, smell, taste and sense of touch) work. The resource includes a teaching sequence related to the Big Six components of literacy development (oral language, phonological awareness, ...

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Measuring Voltage

In this simulation students select to measure the voltage across one, two or three light bulbs in series to measure the voltage drop across one, two of three bulbs.