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Listed under:  Science  >  Forces and energy  >  Energy use  >  Renewable energy
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Freeplay wind-up radio, 2001

This is a 'Freeplay S360 Self Powered' wind-up AM/FM radio, with instruction booklet and packaging, manufactured from plastic and metal by Freeplay Energy Group of South Africa in 2001. The unit is encased in clear plastic with black buttons. Ports for power supply and a keyhole for winding can be seen.

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Tidal power

Journey to Bathurst Island where strong tidal currents can be found in the Apsley Strait. Observe how the Nguiu community is investigating the use of tidal power to provide their electricity needs instead of using non-renewable and expensive fossil fuels.

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Solar power

Have you ever imagined how much energy the Sun outputs every day? Listen as Dr Charles Lineweaver, from the Planetary Science Institute at ANU, describes why a solar farm based in space can capture and use more of the Sun's enormous energy potential.

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Hydrogen and its properties

Imagine the possibilities if we could turn the most abundant element in the universe into a source of fuel. Watch as the Surfing Scientist, Ruben Meerman, investigates the properties of hydrogen and then demonstrates its potential as a fuel when he sets fire to hydrogen-filled soap bubbles.

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Greenhouse effect tips toward climate catastrophe

Follow the carbon atom, the central character in this story about oil, as it is released as carbon dioxide into the atmosphere and contributes to the greenhouse effect. See how other events like melting glaciers amplify that effect and contribute to an increasingly overheated climate. Learn about what might tip us over ...

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Developing geothermal energy in Australia, 2013

Renewable energies like hydro, wind and solar are continuing to replace the more traditional, coal-based energies. Geothermal energy is a type of 'green energy' likely to be an important source of power in Australia's future. In this clip from mid-2013, find out how this technology works. Learn also about its development ...

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Wind farm on King Island, Tasmania?

Discover some of the issues surrounding a plan to build Australia's biggest wind farm on King Island, near Tasmania. Listen to this audio clip from 2012 to find out how Victoria may get 'clean energy', and hear some different views on how the wind farm might affect King Island's local community and environment.

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Algae farming: food colouring from algae

Algae are being farmed in Western Australia to produce natural food colouring and vitamin supplements. With a price of up to 3,000 dollars a kilogram, the carotenoids released from the algae are highly valuable. Watch this clip to find out more about algae farming at Hutt Lagoon, north of Geraldton. See some products containing ...

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Algae farming: producing biofuel from algae

Did you know it's possible to make fuel from algae? Watch this clip to find out why the Pilbara region in Western Australia is considered an ideal location for an algae biofuel production plant. Discover what is required to make it a cost-effective alternative to fossil fuels.

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Dams and dolphins on the Mekong?

If the Lao Government's plans are realised, nine hydropower dams will be built across the Mekong River in Laos, and more across its tributaries. The government wants the country to become the 'battery of Asia'. With this dream comes a host of issues. Listen to reasons why the World Wildlife Fund (WWF) suggests hydro-dam ...

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Renewable energy islands

Do you know what an energy island is? Watch this clip to find out what it is, who is working to create one, and how it will produce renewable energy. As well as interviews with its Australian co-inventor and a CSIRO oceanographer, you will see computer-generated models of an energy island and how it will work.

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Capturing the power of the sea

Harnessing energy from ocean waves is a newer type of technology for generating electricity. But what equipment do you need to capture wave energy and how does it work? Venture inside a huge, submarine-like wave power machine on the Edinburgh coast to see how it converts wave motion to electrical energy.

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Clean alternatives to fossil fuels

Most of the world's energy comes from burning fossil fuels: coal, oil and natural gas. This results in huge amounts of greenhouse gas emissions. However, some countries are moving towards cleaner, renewable energy sources. Travel to Spain, Iceland and Scotland's Orkney Islands to learn about some alternative ways of harnessing ...

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Buses fueled by fish'n'chip fat

Can you believe vegetable oil, the oil used to fry up chips, can be used as an alternative fuel source? Once processed it can be used as a biofuel. Take a look at how a bus company, operating in Scotland, is using biofuels instead of diesel fuel. How can the use of a greener fuel such as biofuel attract more people to public ...

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Small town cools on planned wind farm

Plans to develop a wind farm is dividing the community of King Island. Through community consultation, Hydro Tasmania tries to allay fears about the development. Listen to the different points of view and find out more about this large scale development in this clip from 2013.

Teacher resource

Secondary science: visual representations

These seven learning activities, which focus on 'visual representations' using a variety of tools (software) and devices (hardware), illustrate the ways in which content, pedagogy and technology can be successfully and effectively integrated in order to promote learning. In the activities, teachers assist students to understand ...

Interactive resource

Energy from the Sun: design a solar cooker

Use the Sun's energy to power a cooker. Select design settings for a solar cooker: shape, direction and surface. Choose variables to reach different temperatures. This learning object is one in a series of four learning objects. The series is also packaged as a combined learning object.

Interactive resource

Energy from the Sun: design a solar oven

Use the Sun's energy to power an oven. Select design settings for a solar oven: cover, insulation and lining. Choose variables to reach different temperatures. This learning object is one in a series of four objects. The series is also packaged as a combined learning object.

Interactive resource

Energy from the Sun: design a solar oven and start cooking

Use the Sun's energy to cook food. Select design settings for a solar oven: cover, insulation and lining. Choose variables to reach temperatures needed to cook food such as chicken, fish and bread. This learning object is one in a series of four objects. The series is also packaged as a combined learning object.

Interactive resource

Forensic science: identikit

Explore how identikit pictures are used to describe physical characteristics of a person's face and head. Look closely at a photo of a person, then build an identikit picture. Match horizontal sections of eyebrows, eyes, nose and mouth. Identify the suspect in a police lineup. This learning object is one in a series of ...