Exploring Science Light and Sound - CD-Rom Mpc - Wayland multimedia Author:Sally Morgan A CD-ROM intended to explore the familiar topics of light and sound in a new way. Making full use of the opportunities provided by multimedia, the disk is interactive and provides stimulating activities to encourage children to extend their understanding of the world. For example, through video, audio, and simulated graphics, children are able t... more »o watch the effects of lenses, mirrors and coloured lights and hear how sounds can be altered in volume pitch and quality.« less