STATION 1 – London Bridge is Falling Down Bridges are often built with gaps at intervals which look like this: QUESTIONS: What is the purpose of the gaps? What might happen if there were no gaps in the bridge?
STATION 2 – Warning, Warm Wires QUESTION: Why might it be a bad idea for the National Grid to put up new electricity wires on a warm day?
STATION 3 – Pop in the Shop When you buy a bottle of water or fizzy drink in the shop you will notice that it is not filled to the top. QUESTIONS: Why are bottles not filled to the brim? What might happen if bottles were filled to the top?