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

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Do heavier things fall faster?

Will a medicine ball or a basketball hit the ground first when dropped at the same time from the same height? In this clip, Catalyst's Dr Derek Muller investigates what influences the speed at which objects fall. Derek challenges some people in a market to make a prediction and explain their thinking, before he finally ...

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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 ...

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Weather forecasting

How do meteorologists predict the weather? Discover what types of weather data is gathered, the equipment used, and how forecasting has changed over the years. A scientist will reveal how often they get it wrong!

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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.

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Do different things fall faster?

Want to find out what happens when you drop a watermelon and an apple from the top of a building? In this clip, Bernie Hobbs and Ruben Meerman, investigate whether the mass of an object influences how fast it falls. Bernie and Ruben ride the 'Giant Drop' at Dreamworld, drop a watermelon and apple from an eighth floor balcony, ...

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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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Megafires

Are we approaching the 'age of megafires'? It might sound like something out of a sci-fi movie, but some scientists believe there is cause for concern. Watch this clip to find out how bushfires as we know them are changing. Discover why.

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Day in the life of a meteorologist

Have you ever wondered what it would be like to be a weather scientist (meteorologist)? In this clip, weather man Mark Wilgar describes a typical work day that begins very early in the morning! Find out what's involved in gathering and communicating weather information, and discover what Mark sees as the rewards of his job.

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An ichthyosaur from the age of dinosaurs

Take a close look at a fossilised ichthyosaur skeleton with Maria Zammit, a PhD student from the University of Adelaide. Maria is studying the ichthyosaur and comparing it with dolphins and other living marine creatures to try to work out how it swam.

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Mission to Mars, 2012

Imagine robots armed with rock-zapping lasers, roaming the surface of Mars, looking for signs of life! Watch this clip to discover how scientists actually landed Curiosity, one such roving robot, on Mars in 2012. Scientists hope it will provide important information about what is also known as the Red Planet. All aboard ...

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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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Effects of dry weather

What do you feel like when the weather is hot and dry? Discover what happens to the land during dry weather. Look at how the landscape changes at different times of the year.

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Pepper scatter experiment

Watch what happens in this pepper scatter experiment by Surfing Scientist, Ruben Meerman. Ruben demonstrates an important property of water, surface tension, by dipping a toothpick into water sprinkled with pepper. Find out what happens when detergent is added.

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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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Bushfire disaster, Victoria 2009

Investigate Victoria's devastating bushfires of 2009 and find out why they have been called Australia's worst ever natural disaster. In this clip you will see the ferocious fires that ripped through parts of Victoria, destroying bushland, farms, houses, schools and cars. Find out what made these fires so devastating.

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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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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 ...

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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 ...

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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.