Search results

Listed under:  Science  >  Scientific inquiry  >  Predictions (Science)
Video

Elliot and the Surfing Scientist: Using a lens to bend light

How can a water-filled plastic straw be used to decode a secret message? Watch as the Surfing Scientist demonstrates how lenses with a curved surface do curious things to light.

Video

Catalyst: Can you solve the 'travelling salesman problem'?

Imagine you are a salesperson having to travel between multiple locations. How would you achieve this in the quickest way possible? This is a problem that has stumped mathematicians for decades, and there is even a prize for anyone who can come up with an algorithm to solve it. In this video, three methods are used to try ...

Video

Pet Superstars: Guinea pig superstar

Meet Larissa and her guinea pig called 'Superstar'. Learn how Larissa cares for her guinea pig pets and what her dream is. Find out what makes Superstar a superstar pet.

Video

For the Juniors: How does rice get to the supermarket?

Do you like brown rice or white rice? Do you know why they look different? This clip shows how rice grains from the farm are cleaned, milled and packed into bags. Discover how many different foods can be made from rice.

Video

BTN: Aboriginal astronomy

Many ancient cultures studied the night sky, and we know this because it is reflected in some of the earliest stories we have on record. Learn about one of these stories in this video. Other than the Dreamtime stories, what other evidence might there be that the Aboriginal people studied the stars?

Video

For the Juniors: Fish from the ocean to table

Have you ever eaten fish for dinner? This clip tells the story of how fish come from the sea to your plate. See how fish are caught, bought and sold. Watch a fish being cut into fillets and find out what happens to the bits we don't eat.

Video

Elliot and the Surfing Scientist: Red cabbage pH experiment

It might sound 'un-sciencey', and have a bad smell, but red cabbage is actually very useful for testing the pH of liquids. Added to well-known liquids like lemonade or vinegar, red cabbage juice changes to 'pretty colours'. In this clip, Surfing Scientist Ruben Meerman explains the colour changes and how red cabbage juice ...

Video

Four Corners: Increasing threat of megafires

Many scientists believe we are already experiencing megafires and that they will continue to increase in the future. In this clip you will hear from Australian scientists at the forefront of fire research. Discover what they have to say about the causes, projections, and consequences of an increased megafire threat.

Video

For the Juniors: Why do cows make milk?

Have you ever wondered why cows make milk? In this clip you will learn the answer to this question. You will also see how cows are milked in a large dairy. Join Bill, a dairy farmer, as he tends to his herd of dairy cows.

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

For the Juniors: Hand-milking cows

Discover how people milked cows before milking machines existed. Do you think you could milk a cow by hand? Watch this short clip to find out how it's done. Look at the special features (parts) of cows that store their milk and release it during milking.

Video

Elliot and the Surfing Scientist: Temperature changes the properties of a substance

Substances that are very cold have different properties to substances that are hot. Watch as the Surfing Scientist uses hot and cold water, food colouring and a fish tank to demonstrate what happens when water at different temperatures is mixed together.

Video

Catalyst: Volcanic eruptions at Mount Ruapehu

Imagine a volcano erupting kilometres away. You are afraid, worried for the safety of yourself and others. Paul Willis presents the work of New Zealand volcanologists conducting research at Mount Ruapehu, a volcano with a history of devastating lahar (water, sediment and rocks) flows. Learn more about lahar flows and the ...

Video

For the Juniors: How do apiarists farm their bees?

Have you ever wondered what a bee farm looks like? This clip shows how bee farmers (apiarists) look after their bees. Watch the bee hives being opened and see the honey being collected. View the machinery used to collect and bottle the honey.

Video

For the Juniors: Picking and processing fresh apples

Discover the story of apples, from picking and pressing to processing in a factory. Learn how juice, cider and vinegar are made from apples. See how many other things are made from apples.

Video

Catalyst: Impact of coming to school on carbon emissions

How big is your carbon footprint as you travel to and from school? Watch Daniel O'Doherty, 2008 'Action Against Climate Change' Eureka Schools Prize winner, as he determines his hypothesis then designs and conducts a study about carbon emissions. Listen to the recommendations he makes to reduce and offset the emissions ...

Video

For the Juniors: Using and storing water on a farm

Can you imagine a farm with no water? What might happen to the animals and crops? This clip explains how important a water supply is for farmers. You will see some ways that farmers store water, which is especially important when there is limited or no rain.

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.

Video

Four Corners: 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.

Video

Experimentals: Name these mystery objects

Compete in a game show against characters Einstein and Pythagoras to identify three different mystery objects. Each of the objects is the end product of a science demonstration. Compare your ideas and predictions with the host Bernie Hobbs's identification of the objects and her explanation of the science behind them.