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Listed under:  Science  >  Scientific inquiry  >  Data collection  >  Evidence
Video

Elliot and the Surfing Scientist: Salt water density experiment

Discover what density is and how you can test the density of liquids. You will also find out about salt water and how its density is responsible for the circulation of water around the world's oceans.

Audio

Heywire: Living in the outback, coping with boarding school

For Timmy Watson, living in a remote community in the Northern Territory is as good as it gets. But there's one drawback: the need to go to boarding school during the final years of secondary school. Find out more in Timmy's Heywire audio story. Could you write or record a story about yourself and/or your community? The ...

Video

Building the Sydney Opera House

Construction of the Sydney Opera House began in 1959. The Opera House was intended to be more than a building; it was meant to be a landmark that would put Sydney on the world map as a centre of culture. In this short, silent clip, discover some of the work that went into constructing this huge, unique and very complex building.

Video

Understanding the causes of climate change

Did you know that climate change is not a recent phenomenon? In the past, natural events led to changes in the climate. Although natural events still affect climate, they're not enough to explain the big changes we've been seeing in the last 150 years. What changes on earth can account for such dramatic changes to our climate? ...

Video

Foreign Correspondent: Mysteries of Angkor

Did you know that around 800 years ago the world's biggest city was in Cambodia? From the 10th century, Angkor was the capital of the Khmer Empire, which ruled a huge part of South-East Asia for around three centuries. But Angkor was abandoned in the 15th century. Discover how modern archaeological techniques are now helping ...

Video

Atoms of Fire: What makes salt and sugar so different?

Have you ever accidentally sprinkled sugar on your dinner or spooned salt into your coffee? Those white crystals might look the same but they taste very different because they are made of different kinds of atoms bonded in different ways. Discover how chemists identify what kinds of atoms a compound is made of, then find ...

Video

Foreign Correspondent: Uncovering a chapter of the Holocaust

What happened to the Jewish population of Vienna, Austria's capital, during World War II? Its members were among the estimated six million Jewish victims of the Holocaust. In this clip from 2007, find out about the prolonged campaign of historian Tina Walzer to reclaim Vienna's Jewish heritage. The clip is the first of two.

Video

Catalyst: Penguin wave better than a group hug!

Emperor penguins form a big, tightly packed huddle to keep warm in Antarctica, the coldest and windiest continent on Earth. But how do the ones on the outside of the huddle keep warm? Find out about a clever way of ensuring that no penguin is left out in the cold.

Video

ABC Open: The changing roles of women on Anzac Day

How have the stories and observances of Anzac Day changed to include women alongside men? During World War I and the years that followed, women had little involvement in Anzac Day events. In some instances, they were deliberately excluded! This has changed dramatically in recent decades. In this clip, women and men from ...

Video

BTN: Internet privacy

Imagine if 60,000 people turned up to your birthday party! How would you convince your parents that it wasn't your fault? A good way would be to use evidence to make your argument credible, or believable. Watch how this clip, a news story about Facebook and internet privacy, carefully selects sources of information to make ...

Video

Foreign Correspondent: The Battle of Hastings, again!

How was England changed forever by one battle in 1066? In that year, a Norman army led by Duke William of Normandy sailed to England and defeated the Saxon army of Harold Godwinson at the Battle of Hastings. Visit the site of the battle during a re-enactment by medieval history buffs. This is the first of two clips.

Video

ABC News: Dr Karl discusses mining asteroids

Imagine an asteroid, half the size of a football field, hurtling towards Earth at a speed of 28,000 kilometres per hour! Watch this clip to find out about Asteroid 2012 DA14 and whether it poses any threat to Earth. You will also discover why mining prospectors are keen to capture asteroids such as this one. Could the next ...

Video

Catalyst: Predicting earthquakes

Will scientists ever be able to accurately predict earthquakes? Imagine the number of lives that could be saved if this were possible. Dr Maryanne Demasi joins a group of researchers drilling into one of the most earthquake-prone regions on Earth as they try to improve earthquake prediction to add precious seconds to earthquake ...

Video

Friction: Friend or foe?

What part does the force of friction play in our everyday lives? Friction can be an advantage (friend) or a problem (foe). Join interviewer Doug Traction and professors Static, Slide, Rolling and Fluid at the National Tribology Research Centre as they have forceful fun investigating friction. This video won a prize in the ...

Video

The Fall of Singapore: The road to the fall of Singapore, 1939-42

Imagine a situation in which your country's safety was based on a myth. From September 1939, Britain and Australia were at war with Nazi Germany. Meanwhile, Japan had been invading China since 1932. Discover why Australians believed that, if Japan threatened Australia, our country could not be invaded because Singapore ...

Video

Cambodian refugees

How do people become refugees? From the late 1960s, the small Southeast Asian nation of Cambodia was dragged into a war that was not of its making. Many thousands of its people suffered terribly when their country was caught up in the Vietnam War. Watch as ABC reporter Andrew Swanton covers the flight of refugees into the ...

Video

Catalyst: The home of Australian science

Australia has a long and proud history of excellence in science. How should we celebrate this? Watch this clip to find out about an Australian organisation that recognises and promotes outstanding scientific achievement. You'll also find why its Canberra headquarters is referred to as 'the flying saucer'!

Video

Four Corners: TV killed the radio star

Can you imagine a time when, instead of watching dramas at home on a screen, people listened to them on the radio - a time when the most popular of those dramas were made in Australia? This Four Corners program from 1964 examines the reasons for the death of Australian radio serials, the role played by television in their ...

Video

Four Corners: Before the Referendum: Margaret Valadian speaks up

Imagine being asked to speak on behalf of your culture. Explore and compare some of the attitudes of and about Aboriginal and Torres Strait Islander peoples in 1967. In the national referendum of that year, 90 per cent of Australian voters agreed that the affairs of Aboriginal and Torres Strait Islander peoples should be ...

Video

Tough zirconium - but what's its secret side?

The element zirconium is often used for its tough, abrasive properties. It also has a secret side. View this clip (developed by students for the 2013 Sleek Geeks Eureka Science Schools Prize competition), which highlights the properties and uses of zirconium in a highly visual and fun way.