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Tectonics investigator

Investigate the internal structure of the Earth using earthquake measurements. Examine the Earth’s outer layer. Fit the Earth's tectonic plates together like a jigsaw puzzle. Identify how plate movements produce many features of the Earth’s surface. Predict the formation of new volcanic islands. This learning object is ...

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Secondary science: models and simulations

These seven learning activities, which focus on 'models and simulations' using a variety of tools (software) and devices (hardware), illustrate the ways in which content, pedagogy and technology can be successfully and effectively integrated in order to promote learning. In the activities, teachers assist students to interpret, ...

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'Water footprints' in food manufacturing

How much water does it take to produce a large packet of M&Ms? Watch as the 'water footprint' of some household products is presented and hear the concerns expressed about the methods used to calculate these footprints. Discover how an examination of the water used by the components of some manufactured foods has led to ...

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Ecological effects of bushfires

Did you know that Australia is the most flammable continent on Earth? Watch this clip to discover how bushfires impact natural ecosystems, and how the increasing global threat of bushfires may affect Australia. Australian scientists explain the ecological consequences of fire and a US expert describes his concerns for the future.

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Ramping it up, Egyptian pyramid style

How did the ancient Egyptians move and lift huge stones during construction of the pyramids? Secondary student Angus Atkinson designed an experiment to find out how the lives of pyramid workers could have been made easier. See how as you watch this video, which he entered in the 2013 Sleek Geeks Eureka Science Schools Prize.

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Why vaccinate?

The human immune system's role is to deal with the threat of infection. However, sometimes the immune system fails to stop an infection that can lead to disease. Vaccines are used to prevent some diseases. Discover how a vaccine helps the immune system respond to the threat of infection. Find out why vaccination is a controversial ...

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Polar bear survival

Do you know what is threatening the survival of the world's largest land carnivore? Watch this clip of a polar bear as it moves across the Arctic ice, and find out about what is happening in its icy world. The World Wildlife Fund's Margaret Williams explains the feeding habits and adaptations of the polar bear, and identifies ...

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Coral bleaching: threat to the Great Barrier Reef?

Scientist Dr Ove Hoegh-Guldberg describes the Great Barrier Reef as one of the most thrilling ecosystems on the planet. Discovering new things there makes him feel like a pioneer. In the early 1980s the sudden appearance of bleached coral was a mystery. Join Dr Ove Hoegh-Guldberg as he describes coral bleaching as a serious ...

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Left paw right paw

Do you think left-handed people have characteristics that are different from right-handed people? It seems that right-pawed dogs have certain characteristics that make them better Guide Dogs, but how do you find out whether your dog is right-pawed or left-pawed to begin with? Watch this experiment to find out!

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Dam threatens ancient lungfish

Explore the issues around the construction of the Traveston Dam in Queensland with Professor Jean Joss and former Queensland Premier Peter Beattie. In this 2006 news report they outline arguments for and against the construction of the dam and how it would affect one of the few remaining homes of a 150-million- year-old ...

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Arctic ice melt and sea levels

How might increased melting of Arctic sea ice affect sea levels? Watch this short clip to find out why scientists are concerned by the trend of shrinking sea ice in the Arctic.

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Daisies describe an ecosystem

Ecosystems are affected by many factors including increasing temperatures, which many scientists believe threaten natural systems on Earth today. This creative clip uses a theoretical world of black and white daisies to show how changes to the natural reflectivity of a planet's surface impacts temperatures and populations. ...

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Breast cancer: genes and inheritance

Discover an Australian woman's family history of breast cancer and the role of genes and inheritance in determining her own risk of developing breast cancer. Find out what she did to get off the breast cancer 'roller coaster'. Watch this clip to learn about the science behind the breast cancer risk and treatment of Angelina ...

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Microscopic pollen helps catch a criminal

An expert in plant pollen finds herself working in forensic science, helping police solve crimes. Find out how Dr Lynne Milne's knowledge of plant pollen was used in a criminal investigation. See how soils have a 'signature profile' based on the types and abundance of pollen.

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Polar explorer observes Arctic melt, 2009

An Australian polar explorer describes his experience and observations of the Arctic following a three-month expedition around Greenland. Onboard Greenpeace's MV 'Arctic Sunrise' in 2009, Eric Philips saw at firsthand the conditions of the ice in the Arctic. Listen as Eric describes the changes he has seen after many yearly ...

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Sumatran tigers and paper mills

How might filling your printer with paper be affecting the survival of tigers? Watch this compelling clip to find out about the plight of Sumatran tigers in the wild, and explore the connection between them and paper mills. You will also discover how product labels might not always tell the complete story.

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Are you coordinated?

In this short clip Dr Karl asks Adam Spencer to model walking backwards and forwards. Adam successfully imitates a model on a catwalk but when he's asked to balance on one foot he finds it isn't so easy. Watch the clip to discover why, and then challenge yourself.

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Do dogs really care?

We'd like to think our dogs offer us comfort when we get upset or injured. Can the 'classic test' of empathy in humans tell us something about dogs? The reporter investigates the phenomenon of empathy: the ability to be aware and sensitive to the feelings of others from their perspective.

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Coffee spill

When you walk with a glass or a cup filled with liquid, do you find yourself spilling some of the liquid? Some scientists have studied why this happens and how best to avoid it.

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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 ...