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How 'binary information' is communicated via the internet

Ever wondered how your photos, emails and messages get sent between devices? Watch as software engineer Tess Winlock explains what binary information is, and how it gets from one place to another. Can you explain what 'bits' are? How about 'bytes'? In the past, binary information was sent using physical systems like semaphore ...

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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 ...

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How to Use Scratch: Intro to Scratch 2.0

Want to make your own games? Scratch is a programming language, created by MIT, that makes it easy to create interactive art, stories, simulations, and games. Explore your ideas and share your creations online.

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BTN: Computer code

Are you interested in finding out about computer coding? Watch this clip to see why some famous faces are promoting the benefits of learning computer programming. See how some young students are learning to code and finding that it's not that hard after all!

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How to Use Scratch: Making a Sprite say something

You don't want a silent Sprite! Get your Sprite to talk by using the 'say' block.

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How to Use Scratch: Changing Colours of objects in Scratch

Make the images and objects in your project change colour when they are clicked!

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How to Use Scratch: Adding a Sprite

So, you have your new project in Scratch - now it's time to add a Sprite!

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How to Use Scratch: Making Sprites interactive

Make your Sprite jump, move, say something or change costume.

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How to Use Scratch: Making a Sprite Move

Tell your Sprite where to go - get your Sprite to move in all different directions - left, right, up, down

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How to Use Scratch: Adding sounds to your Scratch project

There are all sorts of sounds you could add to your Scratch project. Give your project that extra 'oomph' by adding sounds.

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How to Use Scratch: Deleting the Cat Sprite

A computer character is called a 'sprite'. Can you delete the cat sprite from your Scratch card?

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How to Use Scratch: Adding Background Sounds

Record and add your own background sound to your project or choose the sounds from the library like a rattle, a ripple or a pop!

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Density Simulation (sk-Intel)

This resource is in the style of an 'authentic' scientific investigation. The investigation is set in a crime lab where finding the densities of the various items can solve the crime. The tool enables students to explore mass and volume for a variety of solids and liquids and hence determine their densities.