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        Your search returned 27 results

        Listed under:  Science  >  Scientific inquiry  >  Experiments  >  Test validity
        Video

        Catalyst: How will fire change the climate?

        • TLF-IDM021143

        Considering the impact of a changing climate on the severity and frequency of fires is one thing, but how about the impact of fires on climate? Why does Professor David Bowman describe this scenario as a 'fire spiral'? What are the consequences of a world with fewer forests? As Professor Craig Allen explains, drought and ...

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        Video

        Catalyst: The home of Australian science

        • TLF-IDM015837

        Australia has a long and proud history of excellence in science. How should we celebrate this? Watch this clip to find out about an Australian organisation that recognises and promotes outstanding scientific achievement. You'll also find why its Canberra headquarters is referred to as 'the flying saucer'!

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        Video

        Catalyst: Tsunami prevention in the Pacific

        • TLF-IDM025356

        By investigating sediments and debris left by devastating tsunamis throughout history, Japanese scientists are making discoveries that change the way we understand disaster prevention in the Pacific. Watch as research teams examine rocks and mud layers; create digital simulations of past tsunamis; and investigate the seabed ...

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        Video

        For good measure

        • TLF-IDM020429

        If you had to measure the rain level for the whole globe, how would you go about it so you could have as accurate a reading as possible? Rain gauges are great for measuring rain in small areas, but why might they not be as good for measuring large areas? Watch this video to see how the Global Precipitation Measurement (GPM) ...

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        Interactive

        Kamay – looking up

        • TLF-IDM025852

        This resource explores the navigation techniques used during the journey of the Endeavour and contrasts these with Aboriginal and Torres Strait Islander navigational and astronomical systems that have been in place for many thousands of years. This learning sequence contains activities suitable for Year 7 - Year 10 science ...

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        Audio

        Mercury is released as coal is burnt in power stations

        • TLF-IDM015345

        This resource describes research into environmental disease resulting from the heavy metal mercury. It is estimated 60,000 babies are born each year in the United States with mercury-related diseases from the burning of coal in power stations. World wide, this is a significant problem. Mercury also enters the environment ...

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        Video

        Sexual selection

        • TLF-IDM016309

        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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        Video

        Eco Farming

        • TLF-IDM016561

        This six and a half minute video segment from Catalyst provides an example of a new strategy to balance human activities and needs with the maintenance of a quality and sustainable environment. Viewers will discover how EcoTender, a land management scheme being trialled by the Victorian Government, is combining science ...

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        Video

        Daniel O'Doherty

        • TLF-IDM016632

        This 5 minute video segment from Catalyst describes how a school student conducted his own scientific investigation. Daniel O'Doherty was intrigued to find out what was the carbon impact of travel to and from school each day, and what could be done to reduce this impact. His project won the 2008 Action Against Climate Change ...

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        Interactive

        Science Talk 2007: Tim Entwistle

        • TLF-IDM016773

        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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        Video

        Stem Cells Repair

        • TLF-IDM016266

        This 11 minute video segment from Catalyst is a case study of research in the use of stem cells. It demonstrates the structure of the knee joint and the role of bones and cartilage. Stem cells from bone marrow are collected and used in attempt to prevent the onset of arthritis. This program distinguishes embryonic from ...

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        Video

        Dr Ove Goegh-Guldberg

        • TLF-IDM016629

        This 5 minute video segment from Catalyst highlights the vulnerability of some of our ecosystems and the way abiotic factors can have a dramatic effect. It also exemplifies the difficult process of having new scientific ideas accepted.

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        Video

        Stems Cells in the Brain

        • TLF-IDM016154

        This seven and a half minute video segment from Catalyst outlines how the discovery of stem cells in the brain marks a potential breakthrough in understanding the process of ageing in the brain. If brain stem cells can be regenerated through exercise or mental activity, can ageing be delayed?

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        Audio

        Green glow of radiation

        • TLF-IDM016565

        Coming into contact with a large dose of radiation is known to be hazardous. But will it make you light up like a car dashboard at night? Some anecdotes that will engage the students to learn about radioactivity while dispelling a few myths.

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        Video

        Future of the moon

        • TLF-IDM016159

        This 4 minute video segment from Catalyst describes how Moon rocks may hold clues about the beginnings of life on Earth because of the lack of weathering and erosion.

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        Video

        Too cold for cane toads

        • TLF-IDM016198

        A new study reported in this video segment has looked at how temperatures impact cane toad movement and has aided in the development of a model that indicates that their geographical spread is limited. An excellent example of the use of mathematical modelling in scientific research and how scientists have tried to address ...

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        Interactive

        Science Talk 2007: Vaughan Macefield

        • TLF-IDM016453

        An interview and lab tour with Vaughan Macefield, a neuroscientist at the University of Western Sydney (UWS). Vaughan talks to students and their teacher from Quakers Hill High School about his work studying nerves and their function in the human body.

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        Interactive

        Science Talk 2007: Jeremy Leggett

        • TLF-IDM016521

        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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        Video

        Monkey Malaria

        • TLF-IDM016586

        This 13 minute video segment from Catalyst describes recent research in Borneo investigates malaria that is common to monkeys and humans.

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        Video

        Missing links

        • TLF-IDM016624

        This lengthy and detailed video segment from Catalyst examines some of the key transitional fossils between species, the so called 'missing links'. Also included is an interesting story of a missing link that was discovered as a result of a hoax. This program includes extracts from Darwin's diaries in Australia.

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