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Coal Gas

This 12 minute video segment from Catalyst outlines how for decades, scientists have worked to develop technologies that can unlock the energy from coal while reducing the risks of digging it up and burning it. Now entirely new industries are booming as they tap into coal seams either too gassy or too deep to be mined by ...

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Science Talk 2007: Tim Entwistle

An interview and tour of the Royal Botanic Gardens of Sydney and its herbarium with Dr Tim Entwistle, a plant scientist and the NSW Government Botanist. Tim talks to a pre-service teacher from Macquarie University about his love of plants, in particular freshwater algae. In the herbarium we find out why it is so important ...

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Biodiversity and farming for a healthy planet

This is a digital resource containing information and resources, such as printable games, that relate to biodiversity and farming, and how food and materials can be produced while protecting the Earth's natural resources. It includes an extensive glossary of important terms, and external links to teacher and student resources ...

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DIY pH Indicator

This resource contains lessons plans containing instructions and teachers 'notes for an activity based on the natural pH indicator present in red cabbage leaves. It can be extracted following these explicit and clear directions included for this activity. This indicator solution changes colour from purple to bright pink ...

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Spare parts

This ABC In Depth feature article deals with the historical and future development of our use of implants including the bionic ear and eye. Research into tissue regeneration and bionic regeneration is outlined. A bionic eye, a new heart grown in the lab, spinal implants that will help quadriplegics walk again. This provides ...

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Exoplanets

This nine and a half minute video segment from Catalyst explains that relatively recently times we have got the technology to look for exoplanets. Astronomers have now uncovered more than 350 planets orbiting other stars. These worlds, known as exoplanets, can be pretty weird places. This program discusses a theory to describes ...

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Low-carb cars

This ABC In Depth feature article explores the electric car as an alternative to petrol and diesel vehicles, with a brief reference to hydrogen powered cars. This article is comprehensive, but it is dated at 2008.

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Sexual selection

This 5 minute video segment from Catalyst describes how Charles Darwin has revolutionised the way we understand modern biology and evolution. A scientist in Queensland put one of his theories under the microscope by testing to see if more brightly coloured male butterflies have greater success in mating. He speculates that ...

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Vitamin D

This 8 minute video segment from Catalyst shows how research can also help us to optimise our health, especially into older age. It describes an example of how sometimes research gives us mixed messages. Sun exposure helps our body to produce the hormone, vitamin D but it also increases incidence of melanoma.

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Treetop kangaroos

This ABC In Depth feature article includes everything you wanted or needed to know about tree kangaroos. This article describes their reproduction, classification, adaptations and issues relating to their conservation.

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Science Talk 2007: Jeremy Leggett

An interview with Dr Jeremy Leggett, global environmental expert from Solarcentury in the UK. Jeremy talks to a teacher from Leumeah High School about global warming, fossil fuels and the design of carbon neutral buildings.

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Stretching Materials

Students use this resource consisting of ten slides with diagrams, written explanation and voice-over to understand that the extension on a spring is proportional to the weight stretching the spring up until the elastic limit is reached (Hooke's Law). There is a two-question quiz and a summary slide.

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Rainforest fruit power

This ABC In Depth feature article discusses human potential use rainforest fruit-bearing plants and the need to maintain biodiversity. Many biotic interactions that effect reproduction and dispersal are described. Issues about using seed banks to try to maintain biodiversity are discussed.

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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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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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Science talk 2007: Adam Cawley

An interview with Adam Cawley, a chemist and scientist from the Royal Australian Chemical Institute, who is an expert in drug testing in sport. Adam talks to a teacher from Killara High School about working as a chemist, and the challenges in drug testing.

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Laptop wrap: Palaeontology

A webpage with a focus on the work of a palaeontologist, featuring the palaeontologist Robert Jones answering questions from students about his career.

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Elliot and the Surfing Scientist: Friction between paper experiment

Are you strong enough to pull two sheets of paper apart? What about two books with the pages intertwined? Watch this experiment performed by Ruben Meerman, the Surfing Scientist, and find out how he tests the presence of friction between pieces of paper.

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Dam threatens ancient lungfish

Explore the issues around the construction of the Traveston Dam in Queensland with Professor Jean Joss and former Queensland Premier Peter Beattie. In this 2006 news report they outline arguments for and against the construction of the dam and how it would affect one of the few remaining homes of a 150-million- year-old ...

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When neutron stars collide

Using technologically advanced supercomputers, scientists have developed theories about the creation of black holes deep in outer space. Watch the computer simulation in this clip to see how the collision of two neutron stars produces a gamma ray burst and a new black hole. Discover that our continuing understanding of ...