Channel 4 Learning
4 L: Science Essentials: Get Physical
Find a review of many aspects of the physical world. Simple explanations of electricity, gravity, and the solar system. Included are materials for teachers to use for enrichment.
Creative Science Centre
Creative Science Centre: Mobile Phone Absorption Wavemeter
An absorption wavemeter is a device which can make measurements on the strength of radio emissions and so this instrument is an essential item for investigating the mobile phone. In principle an absorption meter is a simple device that...
Creative Science Centre
Creative Science Centre: Mini Light Beam Receiver
A very simple device to convert light into sound can be made by wiring a solar cell directly to headphones (or an earpiece). The solar cell converts light into electricity and the headphones convert electricity into sound. The limitation...