Scratch

You can download Scratch by following this link here.

The Young Person's Guide to the Orchestra

Here is the famous piece by Benjamin Britten:

This diagram shows where all the different musicians sit:

Tim Severin - The Brendan Voyage

Part One

Part Two

3-d Printing!

Remember, this is a brand new technology and is still quite primitive. In a few years we will be able to print much smaller and more complicated objects. It will probably be a less messy process too.

Uncontacted Tribes

Imagine this from the point of view of the forest people. What do they think the aeroplane is? Are they scared? Curious?

Big Rock Candy Mountain

You might notice I changed a couple of words here and there to make it more school-friendly!

How the Solar System formed

Someone asked me last week how the Solar System formed. This video explains it quite well:

Also, click here for a gravity simulator that shows how small particles clump together to form stars, planets and moons. Click the button that says 'generate proto disk' to get it going. (You need a fairly fast computer, or it might freeze on you.)

The size of things...

Click here for a really great site that shows you how big things are, from sub-atomic particles all the way up to walls of galaxies. I highly recommend having a go!