Science on Wednesday

Most car go below the average speed because of the traffic lights next to hornby high and burger king. 

I found this out by timing the cars from one pole to another the distance was 50 metres then i found out the average speed.

What is a circuit

An electronic circuit is composed of individual electronic components, such as resistors, transistors, capacitors, inductors and diodes, connected by conductive wires or traces through which electric current can flow.