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Scientists study suburban microbats

Discover the tiny bats that live in Australian backyards in urban areas, including large cities. Watch this clip to learn more about these elusive Australian mammals, and to find out about a large-scale survey undertaken in Melbourne. Scientist, Dr Rodney van der Ree, addresses a group of volunteers in the field and explains ...

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Catalyst: Coorong salinity

Imagine the mighty Murray River as it flows through South Australia and reaches the sea. Explore the consequences of drought and human activity while listening to Graham Phillips describe the effects of the Coorong's increasing salinity and the the associated threat to Adelaide's supply of fresh water.

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Catalyst: Underground coal gasification

How are scientists using technology to get energy out of coal without having to dig it up? Find out how underground coal gasification (UCG) burns and converts the coal to gas underground. Visit UCG trial sites in Queensland and hear how UCG avoids some of the environmental effects of traditional coal mining, but may have ...

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Elliot and the Surfing Scientist: Picking up ice cubes with string

Imagine trying to pick up a slippery ice cube with just a piece of string. Watch the Surfing Scientist team demonstrate how it can be done, using a surprising additive.

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Different types of telescopes

You can find both refracting and reflecting telescopes at Sydney Observatory. How are they different in the way they work and look? What can you find in nature that is like a telescope? Which type of telescope is it like?

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Kids in the Garden, Ep 13: Plants in our daily lives

Can you imagine a world without plants? Do you agree that plants are important to our lives? Listen to Nick explain the amazing variety of ways you use plants every day, often without knowing it.

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Restoring a native creek habitat

Discover how a primary school is working with local environmental groups to clean up the local creek and promote the return of native animals. View this clip called 'A fishy story!', created by young reporters from Willunga Primary School, South Australia. The clip was developed as part of the ABC Splash Live 'Making the ...

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Steam or just a load of hot air?

Take a journey with two 2013 Sleek Geeks Eureka Science Schools Prize finalists, as they present their take on the history of steam power. See how they link steam power, the properties of water and the way energy is converted. WARNING: if flickering light affects you, you may be best to avoid watching this video.

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Elliot and the Surfing Scientist: Red cabbage pH experiment

It might sound 'un-sciencey', and have a bad smell, but red cabbage is actually very useful for testing the pH of liquids. Added to well-known liquids like lemonade or vinegar, red cabbage juice changes to 'pretty colours'. In this clip, Surfing Scientist Ruben Meerman explains the colour changes and how red cabbage juice ...

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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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Understanding food webs

This is a colour video clip in which ecologist Associate Professor Stephen Wing of the University of Otago talks about the importance of understanding food webs, particularly in marine ecosystems. He gives examples of how such understanding has been applied in Fiordland, New Zealand. Still images shown include marine organisms, ...

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Clean Energy fact sheets

This resource is a web page that contains links to fact sheets about clean energy and different forms of clean, renewable energy: wind, solar photovoltaic, solar thermal, solar water heating, hydroelectricity, biomass, geothermal and marine energy. The resource also contains a link to a 14.5-minute video of a lecture presentation ...

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Management of the northern savanna

Around the world, tropical savannas are in serious trouble. This clip from 2007 explores the use of Aboriginal technology for sustainable management of the environment in Australia's huge northern tropical savanna. Hear from two environmental scientists why traditional fire-management practices may reduce the incidence ...

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For the Juniors: Making a rain gauge

How do you feel about the rain? This clip explains why rain is so important to farmers. You will see how to make a rain gauge and use it to measure how much rain falls. Farmers measure rainfall so they know when to do different jobs on their farms.

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Electronically tagging sea stars

This is a colour video clip of marine scientist Dr Miles Lamare describing the process used to electronically tag sea stars. The clip shows Dr Lamare, from a New Zealand university, being interviewed. It also shows footage of Dr Lamare in the laboratory attaching a tag to a sea star; as well as sea stars moving in water ...

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Working as an ecologist

This is a colour video clip in which marine ecologist Dr Candida Savage of the University of Otago in New Zealand talks about her work, what led her to it and why she enjoys doing it. She explains how her research involves a variety of experiences, requiring creativity and collaboration with other scientists in many different ...

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Ladybirds

This program encourages people to observe and identify ladybirds in their own backyard. There is the potential to discover a new species or identify an introduced and harmful member of this group of insects.

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Measuring Speed (Simulation)

Students use this resource consisting of a webpage with diagrams of three cars that students can vary the speed at which they are travelling. They can calculate the time to travel 3000m and then observe the cars as they travel the distance. This demonstrates how to work out the speed of a moving object and how to make calculations ...

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Farmland run-off into estuaries

This is a colour video clip of marine scientist Dr Candida Savage discussing nutrient run-off from farmland, and the effects it has on estuaries and other coastal environments. The clip shows Dr Savage, from the University of Otago, New Zealand, being interviewed. It also shows images of houses on the banks of estuaries, ...

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Catalyst: Why do astronauts float in space?

Have you wondered what it would be like to be an astronaut floating around in the International Space Station? In this clip, Catalyst's Dr Derek Muller investigates what causes this weightlessness in space. Derek challenges some people visiting the Powerhouse Museum in Sydney to explain why they think astronauts float. ...