Search results

• TLF-IDM016757

This radio interview discusses how Global Crop Diversity Trust is trying to conserve the biodiversity of the world's agricultural crops. A network of seed banks is being developed, together with a backup in a mountain in Norway. Just 10 or 12 crops dominate human nutrition. And there's turnover in varieties as crops are ...

• TLF-IDM016239

Scientists are not complacent. We still have a lot to learn about the water cycle. The discovery of glacial lakes under the ice in Antarctica actively transporting water between reservoirs was a surprise. These lakes can be up to 3km beneath the ice sheets. The pressure of the ice above helps to melt the ice, forming lakes. ...

• TLF-IDM021645

This short entertaining video, narrated by ‘Sam the Lamb’ and 'Professors' Madeleine and Daisy test which fabrics burn easily and which fabrics are the most flame resistant. Sam and his science team test the flammability of a range of synthetic and natural fabrics including polyester, polar fleece, cotton and wool.

• TLF-IDM020774

This is a video (4:09 min) about the University of New England’s Kirby Research Station and how its work with sheep has been transformed by technology, particularly the Radio Frequency Identification (RFID) tag. The video is presented by members of the Enhanced sheep wellbeing and productivity research program and includes ...

• TLF-IDM016737

In this simulation students select and move a battery, switch and two light bulbs to positions around a circuit so that the light bulbs are in series with each other. Students receive feedback if their circuit is not a functioning series circuit. Students drag and drop a battery, switch, and two light bulbs into position ...

• TLF-IDM016379

This 6 minute video segment from Catalyst explains how the dugong, a vulnerable to endangered species is protected and that very little is known about it. Biologists are capturing animals to get baseline information about their blood and tissues in an effort to find out more about them and to secure their future. They are ...

• TLF-IDM016612

Students use this resource consisting of one page with a diagram of a lever whose length can be varied. A weight is then applied to the lever and students can see whether the force was sufficient to lift a crate. This demonstrates that forces can cause a lever to turn about a pivot and that the turning effect of a lever ...

• TLF-IDM019385

This is a video about the operation of a Southdown sheep stud and olive plantation at Gum Park farm in South Australia. Introduced by farmer Dee Nolan, it shows the sheep in the olive groves, the lambing paddocks and birthing shed as she describes the farm's certified organic approach that starts from the soil up and uses ...

• TLF-IDM020531

This is a video about bees and their importance for Australian agricultural production. Intended for mid-primary students, the video is presented by Trevor Weatherhead of the Australian Honey Bee Industry Council. He describes how numerous plants, such as the pumpkin crops seen in the video, are dependent on bees for pollination. ...

• 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 ...