Search results

Interactive

Population Size

Students use this resource consisting of ten slides with diagrams, written explanation and voice-over to understand competition amongst organisms for resources that are limited and other factors that may affect population size. There is a two-question quiz and a summary slide.

Text

Ant safari

This ABC In Depth feature article includes some good advice for exploring local ant populations as well as an excellent information report on Australian ants: the different types and their roles.

Interactive

Studying Habitats

Students use this resource consisting of four slides with diagrams, written explanation and voice-over to understand the type of observations and measurements that need to be made when studying an ecosystem. There is a two-question quiz and a summary slide.

Video

Dr Ove Goegh-Guldberg

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.

Video

Seahorses

This six and a half minute video segment from Catalyst shows one of the most beautiful and bizarre creatures under the sea, the seahorse. Their highly unusual reproduction has not been sufficient to overcome the impacts of habitat destruction and human predation.

Image

'Gold digging in Australia 1852: bad results'

This is the first of a pair of oval watercolours, measuring 20.2 cm x 26.4 cm, painted by Samuel Thomas Gill (1818-80), a famous colonial artist. It shows two gold miners sitting dejectedly beside their mine, probably on the Victorian gold fields. Behind the men is a windlass, as well as their wheelbarrow, pick and spade. ...

Interactive

Who's for dinner?

Look closely at a food chain and food web from a billabong habitat. Help animals to feed and survive. Play the role of a tadpole, fish or heron. Help the animal to grow and breed by feeding and avoiding predators. Notice that eating high-value food sources may increase an animal's risk of being attacked by predators.

Interactive

Old Bernie's Pond

Clean up Old Bernie's Pond. See how it has become polluted and invaded by introduced species. Restore the pond by choosing actions such as planting native species and removing sources of pollution. Look at the effects of each change. Earn points to get a certificate.

Interactive

Discovering democracy: democratic struggles

Interact with a slideshow of images and text to explore the influence of the Chartist movement in Britain on the miners' struggles at the Ballarat goldfields, and the development of democratic ideas in Australia.