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Listed under:  Science  >  Life  >  Ecosystems
Video

Engineering clean rivers

Figuring out how to clean up contaminated rivers is a big challenge. It's also tricky to work out where the most contaminated parts of a river system are and whether its fish are safe to eat. Watch this video and learn how engineering has helped to solve these problems. Why do you think engineers looked to the bottom of ...

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ABC News: Frog relocation

Did you know that the site of the 2000 Olympic Games in Sydney is also home to the appropriately named Green and Golden Bell Frog? Watch this clip to find out how Olympic planners worked with the Australian Museum to relocate frogs to a protected, nearby habitat.

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Kids in the Garden, Ep 7: Fungi: how they grow

If a mushroom is not a plant, what is it? Discover a group of living things that are neither animals nor plants. Explore the mysterious world of fungi and find out the conditions that they need before they can grow.

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Catalyst: Managing bushfires

To burn or not to burn? Investigate the science behind arguments for and against controlled burn-offs that aim to reduce the risk of bushfires to humans. Listen to the reasons Professor Mark Adams of Sydney University gives for a careful approach to prescribed burning.

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For the Juniors: How do mangrove trees survive?

Imagine a plant that lives in mud and is soaked in sea water twice a day. Find out how mangroves thrive in conditions that would kill other plants. View the amazing adaptations that make mangroves such special plants.

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Elliot and the Surfing Scientist: Food is stored energy

Elliot challenges Ruben Meerman, the Surfing Scientist, to do an experiment that involves explosions, pretty colours and lollies! Watch this clip to see what he comes up with. You might also learn something about chemical reactions and the stored energy in food.

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Catalyst: Plants and increased levels of carbon dioxide

We know that most plants use carbon dioxide to make their own food. So what might plants look like in 100 years if carbon dioxide levels continue to increase - will they become enormous and overtake our backyards? View the possible effects of changes in atmospheric carbon dioxide on plants and, in turn, humans and other animals.

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Living on the moon!

Imagine living on the moon! What are some of the essentials you may need that you take for granted on Earth? How would you source or access these necessities on the moon?

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Magical Land of Oz: Join the Numbat Taskforce!

Numbats are native Australian marsupials that can be found in Western Australia and South Australia. Unfortunately, their numbers are declining rapidly. What are the causes? What can we do to combat this and protect these unique Australian animals? Find out what one community group, the Numbat Taskforce, is doing to help ...

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Carbon dioxide and greenhouse gases

Have you heard of greenhouse gases? What do you think they are? (The word 'greenhouse' is a big clue!) The delicate balance of greenhouse gases has been affected by the addition of an unprecedented amount of carbon dioxide (CO2) to our atmosphere in the last 150 years. Watch this video to find out how CO2 is being added ...

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Kids in the Garden, Ep 12: Trees: a vital part of our lives

Have you ever heard of the 'sausage tree' or the 'dragon blood tree'? Watch this clip to find out about these and many other types of trees. Explore how they grow and why they are important. Presenter Nick Hardcastle will also show you how to plant a tree and grow a bonsai tree.

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Atoms Alive: Cells and energy

Cells are like chemical factories. Discover the different ways cells get energy to carry out their daily operations. Learn about the different types of metabolic processes inside cells, such as those that break down molecules to release energy and those that assemble building blocks to make more complex components.

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Testing the 5-second rule

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?

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Keeping up with carbon

What is the carbon cycle and how does it affect climate? Find out in this fascinating clip from NASA, produced to celebrate Earth Science Week 2009.

Online

Green packaging lesson

This lesson plan engages students in finding ways to reduce plastic waste in food packaging. Students investigate problems created by plastic waste then observe ways these issues are being addressed. They design new packaging for food items that currently produce excessive waste then test their designs objectively. The ...

Interactive

Field Guide to NSW Fauna - Google Play app

View descriptions of NSW fauna together with maps of distribution, images and endangered species rating. Animals are grouped by mammals, reptiles, fishes, amphibians, birds or insects and other invertebrates. Info pages include images and animal sounds. Free when reviewed on 12/5/2015.

Interactive

Field guide to South Australian Fauna - Google Play app

View descriptions of South Australian fauna together with maps of distribution, images and endangered species rating. Animals are grouped by mammals, reptiles, fishes, amphibians, birds or insects and other invertebrates. Info pages include images and animal sounds. Free when reviewed on 12/5/2015.

Interactive

Field Guide to Tasmanian Fauna - Google Play app

View descriptions of Tasmanian fauna together with maps of distribution, images and endangered species rating. Animals are grouped by mammals, reptiles, fishes, amphibians, birds or insects and other invertebrates. Info pages include images and animal sounds. Free when reviewed on 12/5/2015.

Interactive

Field Guide to Tasmanian Fauna - iTunes app

View descriptions of Tasmanian fauna together with maps of distribution, images and endangered species rating. Animals are grouped by mammals, reptiles, fishes, amphibians, birds or insects and other invertebrates. Info pages include images and animal sounds. Free when reviewed on 12/5/2015.

Interactive

Field Guide to NSW Fauna - iTunes app

View descriptions of NSW fauna together with maps of distribution, images and endangered species rating. Animals are grouped by mammals, reptiles, fishes, amphibians, birds or insects and other invertebrates. Info pages include images and animal sounds. Free when reviewed on 12/5/2015.