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MathXplosion, Ep 20: Crack an ancient Roman code

Decrypt the ancient cipher box used by Julius Caesar over 2,000 years ago! By shifting the alphabet or replacing one letter for another further down the alphabetical sequence, you can crack a coded message. The secret to a cipher is one special piece of shared information, known as a key. This shared key is required for ...

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Stamping in visual arts

In visual art, what do you think stamping refers to? Learn how to create artworks using this technique. See if you can find something other than a leaf as the stamp to experiment with.

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Create: What is abstract art?

Traditionally artworks were representations of real life objects and environments. When you looked at these works you could usually identify what the artist was representing. How is abstract art different from this? Watch this video to see an example of an abstract painting, then have a go at creating one yourself!

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ABC Open: Welcome to Shelly Beach, Port Lincoln

Watch and listen as local Parnkalla (Barngarla) boys Darnell and Kaiden Richards take you to their special place: Shelly Beach in Port Lincoln, South Australia. Learn some local Parnkalla words as the boys share a story about what connects their family and community to this beach.

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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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Kids in the Garden, Ep 12: Trees: a vital part of our lives

Have you ever heard of the 'sausage tree' or the 'dragon blood tree'? Watch this clip to find out about these and many other types of trees. Explore how they grow and why they are important. Presenter Nick Hardcastle will also show you how to plant a tree and grow a bonsai tree.

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Feathers, Fur and Fins: A song about 'Aussie sharks'

Do you know any songs about Australian animals? Listen to this song about sharks performed by Don Spencer. Watch some sharks as they roam the ocean.

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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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Making a Mini-documentary, Ep 8: Using a tripod when making a video

Hand-held camera can be great for lively effects in a video, but sometimes you need a tripod. Benj Binks from ABC Open has some handy tips for you on making the most of this equipment. This clip is one of eight on making a mini-documentary.

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For the Juniors: Wheely good wheels

Wheels are round and come in many sizes, but how does a wheel turn? In this clip we show you how a wheel and axle work together to provide movement.

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Old People's Home For 4 Year Olds: Lest we forget

Poppies are a significant part of Remembrance Day observations. As a symbol of respect and gratitude, people place poppies at memorials for people whose lives were ended in wars. In this clip, older Australians and young children pay their respects to those who didn’t survive their wartime service. ________________________________________ ...

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What is a fractal?

Do you know what a fractal is? Basically, fractals are never-ending patterns created by repeated mathematical equations. In this clip, Yuliya, a student at MIT (in the USA) describes the properties of fractals and shows you where they can be found in technology and nature. Have a good look at the world around you and see ...

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Graphing

Graphs can be used to illustrate the relationship between two variables. Watch this fun animation from NASA to learn the basics of graphing.

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Storyline Online: Lotus and feather by Ji-Li Jiang

A winter illness left Lotus, a little girl, without a voice and without friends. A hunter’s bullet left Feather, a crane, injured and unable to fly. As Lotus nurses Feather back to health, their bond grows. Soon Feather is following Lotus everywhere, even to school! The bird dances to the girl’s reed whistle, much to the ...

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Hannie Rayson on becoming a writer

Hannie Rayson is a playwright and screenwriter whose plays have been performed around Australia and internationally. Watch as she tells the story of how her writing career began. Try retelling the story from the point of view of her university teacher. How might he have remembered it?

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BTN: Leap second

We all know there are 60 seconds in a minute... or are there? Every few years an extra second is added to a day, and this is called a 'leap second'. Find out why we have leap seconds and why they mightn't be around for much longer.

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ABC Open: Australian Children's Laureate, Jackie French

Jackie French is the Australian Children's Laureate for 2014-2015, and the author of the famous Wombat series of books. Watch this video to find out how a wombat inspired and conspired against her literary ambitions! What are your inspirations when you write?

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Numbers Count: Chance and playing with dice

Have you ever played a game that required you to roll a dice? Did you know that you have equal chances of rolling any of the six numbers? Can you think of another experiment where you have an equal chance of getting one result or the other?

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ABC Open: Learn some Warrgamay words

Uncle Bill welcomes us to Warrgamay Country. He shows us the animals that live in and around a natural waterhole he calls the 'swimming hole', and tells us the animal's Warrgamay names. Let's find out why Uncle Bill and his family feel happy in this place.

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Feathers, Fur and Fins: Observing a wombat

Take a close look at two different types of wombats in this short clip. Don Spencer introduces a Common Wombat called Winifred, then shows us a Hairy-nosed Wombat foraging in the desert.