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Creating a beneficial garden: assessment

Invertebrates perform many different roles in a garden’s ecosystem and occupy many different habitats. In this activity, you will be completing an assessment of these animals. The aim of this activity is for children to identify invertebrates, appreciate different invertebrate habitats and understand the roles that these ...

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Creating a wildlife habitat: planting

This learning activity is the fourth part of a sequence of 5 individual learning activities focused on creating a wildlife habitat. The order of these learning activities are: research, vision, design, planting and monitoring and care. OUTCOMES of this learning activity are for children to: understand the steps involved ...

Online

Understanding weeds: life cycle

Weeds compete with native plants in our natural environments, and can dominate both natural ecosystems and areas of agricultural production. This competition limits biodiversity, as well as the economic potential for farmers. This activity will look closely at three different weed forms and children will learn about their ...

Video

Catalyst: How will fire change the climate?

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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Foreign Correspondent: Spawning dams, not fish, on the Mekong?

The Mekong is the largest freshwater fishery in the world; however, this may be about to change. Discover in this 2010 clip how migration of fish species along the lower Mekong may be impeded by the proposed construction of dams along this mighty river. Do the economic benefits of the dam outweigh the potential loss of ...

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Foreign Correspondent: The Mekong: A damming example

The government of Laos has plans for many revenue-raising dams along the Mekong River. Find out about a dam, the Nam Theun 2, which was completed in 2010 and lies across the Nam Theun river in the Nakai Plateau. This clip from the same year asks if the dam could be the flagship for others to be built along the Mekong. Discover ...

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Landline: Feeding soils to grow hungry crops

How do today's farmers improve their crop yields? One school of thought is to go high-tech and use agricultural technologies designed to improve efficiencies and yields. See the role that soil condition plays in gaining those high yields.

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Catalyst: E-waste, recycling, and sustainability

What happens to electronic waste (e-waste)? Watch this clip about the physics of recycling to find out the way that useful materials are captured from waste at a local materials recovery facility. Presenter Tanya Ha investigates e-waste, the products it comes from, and the sustainability challenges it poses.

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Caving for fossils

Imagine the enthusiasm of Australian paleontologists when they heard about the discovery of three caves in the middle of the Nullarbor Plain. Watch this clip to find out just what was discovered in the caves and why it is so significant.

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Foreign Correspondent: Dams and dolphins on the Mekong?

If the Lao Government's plans are realised, nine hydropower dams will be built across the Mekong River in Laos, and more across its tributaries. The government wants the country to become the 'battery of Asia'. With this dream comes a host of issues. Listen to reasons why the World Wildlife Fund (WWF) suggests hydro-dam ...

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New Zealand's marine environment

This is a colour video clip of a marine scientist, Dr Candida Savage, discussing the large variety of different habitats within New Zealand's marine environment. Dr Savage is a teacher and researcher at the University of Otago, New Zealand.

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Magical Land of Oz: Koalas and climate change

The koala population in rural NSW has been declining over the years due to drought and heatwaves. What causes some of the temperature extremes experienced in this region? Dr Mella believes koalas normally get most of the moisture they need to stay hydrated from eucalyptus leaves. What has changed in recent years that means ...

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Show me the water!

Where does the water in your tap come from? Fresh water accounts for only 3% of the earth's water supply and only 1% of that is available to us in lakes and rivers or in the atmosphere. But how much do we use for drinking water and what else do we use fresh water for? Watch this video to find out how NASA's Global Precipitation ...

Interactive

Natural selection

This is an interactive resource in which students explore natural selection by controlling an environment and causing mutations in rabbits. Students can select vary environments, selection pressures, mutations and associated genetics, and then observe the populations change. This interactive resource is supported by tips ...

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Climate science analysis from The Conversation

This is a collection of articles about climate science. It includes articles about modelling, explanations about heat trends, predictions about sea level rise, and why the science about climate change is clear. The articles are written in plain language and are authored by experts from universities in Australia and around ...

Interactive

Save our catchment – virtual excursion

This virtual excursion offers twelve video lessons that form a sample investigation of pest species invading Australian riparian zones. Filmed on Bundjalung Country, the excursion traverses mid north coast NSW Upper Clarence River Catchment, connecting each video to companion classroom and field learning tasks. The invasive, ...

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Sciencey: Five things you need to know about climate change

Find out how carbon dioxide makes the Earth warmer, how oceans store heat and the way we can see climate history in ice. What are the consequences of changes in the global climate? What can we do as individuals and communities to stop these negative changes?

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Catalyst: How high will sea levels rise?

Much of the world’s population will eventually have to deal with the consequences of sea-level rise, but the question is: how high will the water get? Dr Graham Phillips investigates how scientists are turning to the distant past to predict the impact of rising sea levels. Watch scientists explore 120,000-year-old coastlines, ...

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The first modern humans in south-east Asia

This is a multilayered resource about the theories and evidence of the origins of the first modern humans in south-east Asia. It has four sections: Theories; The sout-heast Asian fossil record; The appearance of sout-heast Asian features; and The first modern Indonesians. The Related sections, Related items and Related ...

Interactive

Stickleback Evolution Virtual Lab - iTunes app

Enter this virtual laboratory and conduct experiments to investigate genetic variation and evolution of populations of the three-spined stickleback fish. Students analyse fish and fossillised specimens, construct tables and graphs, and interpret their analysis. There are also instructive tutorials, videos describing stickleback ...