95 results found for 11-14-year-olds

Steve's winning presentation in the Mediasite Global Outreach Challenge 2009

Jonathan shows us with a cheap and simple homemade demonstration how your mobile telephone generates radio waves in order for you to use it to communicate.  As you will see you can use this method to explore many aspects of your mobile phone!

Jonathan describes the construction of a model of the C60 molecule.

A look at how the UK music industry is working with energy and climate researcher Catherine Bottrill to reduce its carbon footprint.nIn 2007 a group of influential people from the music industry formed Julie's Bicycle, an organisation dedicated to re....

How bacteria can be used to solve a variety of environmental problems.

Harry Kroto and Jonathan Hare give a workshop at the University of Sussex to local school children and simultaneously video conference with children at Leicester, Imperial, Cardiff, and Edinburgh universities.

Harry gives an introduction to the difficulty of writing large numbers in Roman Numerals

Jonathan makes some simple paper windmills/turbines and experiments with a simple generator to power house hold devices such as torches, calculators and even a radio.

Parabolic surfaces can be used to concentrate energy for example to focus sunlight to heat things. Using an old World War II spot light mirror we demonstrate how easy it it is to concentrate enough energy to cause combustion. Finally, we show how to ....

Making life easy when using percentages. A sometimes fraught topic looked at differently.

Bill uses power tools to take apart a photocopier. He shows how it works, and shares the story of its invention by Chester Carlson.

When two different types of conductors are pushed into a potato chemical reactions take place charging them up - we have a simple electrochemical cell. A potato, zinc screw and carbon rod produce about 1V. We experiment joining a few of these cells u....