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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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All about hydrogen

This is a fact sheet providing information on how we produce hydrogen from fossil fuels and renewable energy sources. The uses of hydrogen are briefly discussed and information is provided about hydrogen fuel cells.

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Energy: renewable and non-renewable resources

Compare the advantages and disadvantages of using renewable and non-renewable energy resources. This PowerPoint presentation, with accompanying teacher notes, outlines the characteristics of a range of renewable and non-renewable sources of energy. It describes the positives and negatives of using renewable energy sources ...

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Low-emission energy future

Find out about the technologies that can reduce our greenhouse-gas emissions. This resource consists of an animated video accompanied by an interactive landscape activity. The video focuses on technologies that can reduce carbon-dioxide emissions from the burning of fossil fuels, as well as renewable energy and improved ...

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Coal and its uses

Find out where we get the coal that powers our homes and industries. This is a PowerPoint presentation outlining how coal is formed, mined, processed and used. All slides contain images or maps. Teachers' notes are included.

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Uses of mineral sands

Find out what minerals can be found in beach sands and why they are important to us. This is a PowerPoint presentation about sand minerals and the products derived from them. It deals with the origin and deposition of the mineral deposits, the properties of the minerals zircon, rutile and ilmenite and their uses as well ...

Interactive Resource

Renewable power stations in Australia

This Google Earth interactive map shows the locations of all operating and proposed renewable energy power stations in Australia. Each location is represented by name and an icon corresponding to the type of energy used. Select an icon to view key information about the ownership and location of the facility.

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Renewable sources of energy

This is a worksheet consisting of a blank data table designed for students to record information resulting from their research into renewable energy resources. It specifies the types of energy resources to be investigated and suggests topics for research focus.

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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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How 'green' is the internet?

Do you know that every second of online video you watch puts 0.2 grams of carbon dioxide into the atmosphere? Watch this clip to discover how much energy the internet uses and where it comes from. You might be surprised!

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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.