Close message Due to maintenance between 17:00 to 21:00 on Tuesday 14th May 2024, Scootle website may face disruption in service. We apologise for any inconvenience caused.

Search results

Listed under:  Science  >  Life  >  Ecosystems
Video

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.

Video

Catalyst: Thinning ice sheet

Discover that that the massive ice sheet in East Antarctica has been losing mass since 2006 instead of growing, as was previously thought. Watch animations to see how scientists from NASA and Australia are using satellite technology and aerial monitoring to investigate the thickness of East Antarctica's ice sheet. Find ...

Video

ABC News: Sound waves measure ocean temperatures

View how scientists use underwater sound waves to measure ocean temperature changes in the Indian Ocean. The animations show how the technology called acoustic thermometry works. Australian scientists are working with a global network of 'listening posts' to monitor the long-term effects of climate change on ocean temperatures.

Video

Four Corners: Fire management strategies

What role do fire-behaviour specialists and ecologists have in fire management? Watch this clip to find out about issues relating to fire management in Australia, in particular prescribed burning.

Video

Magical Land of Oz: Conserving the Great Australian Bight

What do you know of the Great Australian Bight? Learn about some of the unique wildlife that lives here. What makes it such a good habitat for these marine animals? What are some potential threats facing this pristine environment?

Video

Lateline: Carbon capture and storage

Is carbon capture and storage (CCS) the solution to climate change? CCS technology captures carbon dioxide from the flue gases of coal burning power plants and takes it to long-term storage. The coal industry has high hopes that pumping the liquefied gas into underground reservoirs, or geo-sequestration, will provide safe ...

Video

Catalyst: Sending seeds into space

Why might we need to keep a collection of seeds from all over the world? Where would we keep a collection like that? Should we send some of them into space? Watch this clip to reveal answers to all these questions and more.

Video

Sciencey: Will Australia have the last bees on Earth?

Bee populations around the world have started vanishing, in a process known as colony collapse disorder. Scientists have many ideas about what causes colony collapse, including one possible culprit: the varroa mite. Australia is one of the last places on Earth unaffected by varroa. Could this mean that Australia could have ...

Video

Foreign Correspondent: Cenotes

The Yucatán Peninsula is located in south-eastern Mexico and covers a vast area of coastline south of the Gulf of Mexico. It is a popular tourist destination for people who travel to cities such as Cancún to enjoy sandy white beaches. Explore the subterranean freshwater caverns of this region and discover why this pristine ...

Video

Catalyst: Seals help climate research

Discover how seals are helping scientists study Antarctica, polar regions, oceans and climate change. Scientists use Weddell and southern elephant seals to gather data and monitor the way currents move heat around the world's oceans.

Video

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.

Video

Termites: Destroyers or recyclers?

Be amazed by what these young scientists find out about termites. Discover where termites live and what they eat. You may be surprised to find out that they are not actually ants, and that they are blind! This video was a finalist in the 2013 Sleek Geeks Eureka Science School Prize competition.

Video

Catalyst: Aboriginal fire knowledge reduces greenhouse gases

Come on an eye-opening trip to Western Arnhem Land in northern Australia to find out how Aboriginal fire-control techniques are used to reduce greenhouse gas emissions by thousands of tonnes.On the trip you will also find out how exploding ping-pong balls are used to create low greenhouse gas firebreaks at the right time ...

Video

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.

Video

Kids in the Garden, Ep 15: Growing plants indoors

How would you create a tropical jungle in the middle of a cold, windy city? How can you grow plants from cold climates in a place with a hot climate? Could you trick a plant into flowering whenever you want it to? Watch this clip to discover how to create suitable conditions for growing plants indoors.

Video

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.

Video

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.

Video

Kids in the Garden, Ep 4: Plant leaves

Leaves come in many shapes, sizes, colours and textures. Watch this clip to discover how leaves make their own food and transport energy to the rest of the plant. See how they can even be useful after they've fallen to the ground. Presenter Nick Hardcastle and some young helpers will also show you a fun, creative activity ...

Video

Cloud seeding

This nine and a half minute video segment from Catalyst describes how researchers from Monash University have hard evidence that cloud seeding can produce good amounts of extra rainfall. Data collected over a long period of time has give hope to scientists and environmentalists who are trying to reduce the impacts of droughts ...

Video

Structures and Bonding

This simulation allows students to explore the chemical reactions between hydrogen, oxygen, carbon, nitrogen and chlorine. They can form water, carbon dioxide, hydrochloric acid, ammonia and methane. Word and chemical equations are provided. The diagrams distinguish single, double and triple bonds and shapes of molecules.