Science / Year 7 / Science Understanding / Biological sciences

• TLF-IDM020210

When it comes to dropping food, have you heard of the 5-second rule? Or the 3-second rule? Watch this video to learn what really happens when you drop food. In order to cause disease, what must bacteria do? What circumstances allow bacteria and viruses to contaminate food more successfully?

• TLF-IDM016211

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.

• 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-IDM016595

This ABC In Depth feature article gives a range of examples of adaptations and responses of Australian alpine ecosystems, plants and animals to cold conditions.

• TLF-IDM016358

This 8 minute video segment from Catalyst is an excellent example of animal behaviour of locusts as a successful adaptation and how understanding the behaviour can potentially help reduce the damage they cause.

• TLF-IDM016623

This seven and a half minute video segment from Catalyst emphasises the importance of collections in science. The Royal Botanic Gardens is the oldest scientific research organisation in Australia. The history of the gardens is outlined up to its current status as the home to almost 9,000 different species of plants. Paul ...

• TLF-IDM016492

A master class with Dr Paul Willis, a science journalist and palaeontologist specialising in fossil crocodiles. Paul talks to a Year 2 group about dinosaurs, their size and how you can find evidence about them. Students ask Paul some very interesting questions! Then, a biology student from Richmond High School talks to ...

• TLF-IDM016298

An interview and laboratory tour with Dr Melanie Bishop, a benthic marine ecologist at the University of Technology, Sydney (UTS). Melanie talks to students from Epping Boys High School about her work studying benthic marine ecosystems and the animals that live there. Melanie shares insights into a career in marine biology.

• TLF-IDM016391

This 7 minute video segment from Catalyst describes the risk factors that impact on turtle survival. Protecting the future of turtle populations on the Queensland coast has been the life's work of Col Limpus for the past 40 years. His efforts have included research and reducing predation from foxes and entrapment in trawler nets.

• TLF-IDM016730

This 5 minute video segment from Catalyst shows a field trip with Dr Conrad Hoskin who has been scouring the tropical rainforests of north Queensland for frogs. He explains his research and the links between classification or taxonomy and evolution.