Experimenting with batteries, bulbs, buzzers, switches and other electrical components is a great way to learn about circuits and start to think about how to incorporate sounds into your Build a ...

This circuit diagram joins a cell, a switch and two bulbs. Click on the next slide to see what the circuit might look like if you built it. Image caption, This shows what the previous circuit ...

So the next time you switch on a light ... They are often used to power small devices such as a calculator. This circuit diagram shows the same circuit, but uses circuit symbols to represent ...