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Listed under:  Science  >  Matter  >  Properties of matter
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Catalyst: Underground coal gasification

How are scientists using technology to get energy out of coal without having to dig it up? Find out how underground coal gasification (UCG) burns and converts the coal to gas underground. Visit UCG trial sites in Queensland and hear how UCG avoids some of the environmental effects of traditional coal mining, but may have ...

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Elliot and the Surfing Scientist: Implode a soft drink can using an invisible force

Can you imagine being able to crush a can without hitting or squashing it? Watch as Ruben the Surfing Scientist shows you how this can be done. Listen to Ruben explain the science behind the imploding can and find out what invisible force is involved.

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For the Juniors: Balance is a matter of ballast

Have you seen large ships that carry shipping containers as cargo? In this clip we show you how these ships use ballast to help them balance their load. Find out what ballast is and how it stops a ship from sinking. Also see the massive engines on these big cargo ships.

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Magic tricks revealed using chemistry

Some magic tricks, such as disappearing ink or candles that won't blow out, can be explained by chemistry. In this clip, three classroom chemistry experiments demonstrate that some familiar magic tricks rely on acid-base chemical reactions, and the properties and behaviour of gases. Watch closely if you've ever wanted to ...

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Elliot and the Surfing Scientist: The surface tension of water

Imagine you could walk on water! Some insects can do just that. Watch as the Surfing Scientist uses a paperclip and a glass of water to demonstrate how this is possible.

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The bang behind fireworks!

Ever wondered how fireworks are created? In this clip, pyrotechnics expert John Conkling describes the chemical and physical components of fireworks, and demonstrates many coloured explosions in a laboratory. Discover that a fireworks display is a chemical reaction between an oxidiser such as potassium nitrate and a fuel ...

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Elliot and the Surfing Scientist: Properties and behaviour of gases

All substances are made up of tiny particles. A change in temperature can change the way these particles behave. Watch as the Surfing Scientist demonstrates how a gas behaves when it is heated. Find out whether the balloon gets sucked or pushed into the bottle!

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For the Juniors: First the base, then the frame

Come and see Hugo's house getting built. Find out how the concrete foundations are laid. What comes next? Carpenters build a wooden frame. Spot the tools used to build the house. How is each tool used?

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For the Juniors: Ramping up the fun

Join Winston as he tests which materials slide down a ramp. Which ones will slip and which ones will grip? He's testing a wooden block, a stone, a glass bottle and an eraser. Predict what will happen. Watch to see if your prediction was right.

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What makes these paper planes fly?

Have you ever wondered what makes a paper plane fly? Think about the design of the paper plane as well as external factors like the various forces that are at play, then make a list of the design considerations and a list of the different forces.

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For the Juniors: Tall buildings that won't fall

What makes tall buildings strong and stable? View this clip to find out how a tall building made from concrete is made even stronger. Look at a model of the building to see how it will look when it's built. See if you can pick up some design tips to help you build your own tall structure!

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Sam the Lamb: Does wool burn?

This short entertaining video, narrated by ‘Sam the Lamb’ and 'Professors' Madeleine and Daisy test which fabrics burn easily and which fabrics are the most flame resistant. Sam and his science team test the flammability of a range of synthetic and natural fabrics including polyester, polar fleece, cotton and wool.

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Elliot and the Surfing Scientist: Hydrogen and its properties

Imagine the possibilities if we could turn the most abundant element in the universe into a source of fuel. Watch as the Surfing Scientist, Ruben Meerman, investigates the properties of hydrogen and then demonstrates its potential as a fuel when he sets fire to hydrogen-filled soap bubbles.

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Elliot and the Surfing Scientist: Fountain of fizz

Have you ever wondered how many bubbles there are in a bottle of soft drink? What if they all shot out the bottle at the same time in a fountain of fizz! Watch as Ruben Meerman, the Surfing Scientist explores where bubbles come from and how they form, with spectacular results!

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Experimentals: Make your own rocket fuel...!?!

You know what happens when the pressure in a bottle reaches extreme levels: KABOOM! Discover with Ruben and Bernie how mixing together some everyday household chemicals can fuel a fizzy fountain or a model rocket, with spectacular results. This is chemistry in motion.

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Steam or just a load of hot air?

Take a journey with two 2013 Sleek Geeks Eureka Science Schools Prize finalists, as they present their take on the history of steam power. See how they link steam power, the properties of water and the way energy is converted. WARNING: if flickering light affects you, you may be best to avoid watching this video.

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For the Juniors: Super-fast jet boats

Jet boats can go really fast. Instead of an outboard motor and propeller, jet boats have an inboard engine and they eject a jet of water out the rear of the boat. Watch this clip to see how they work.

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Elliot and the Surfing Scientist: Evaporating liquid nitrogen

Can you imagine a liquid that turns into a gas at minus 196 degrees Celsius? Watch as the Surfing Scientist explores the change in properties of liquid nitrogen as it evaporates in a series of experiments that go 'pop'!

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Elliot and the Surfing Scientist: From chocolate buttons to magic patterns

Want to do a simple science experiment that works just like a magic trick? Watch the Surfing Scientist to find out how. He creates a pattern made up of regular shapes by dissolving coated chocolate buttons.

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Dyeing with red cabbage!

Many natural products, such as red cabbage and turmeric, can be used as a natural source of colour to dye fibres. Watch the dyeing demonstration in this clip to see how. Discover the chemistry of natural dyes, including the bonding properties of different pigments and how acid-base reactions can alter the colour of pH-sensitive ...