Quiz · Everyday Objects & Their Uses
Zips, microwaves, smoke alarms and QR codes: you use them daily, but do you know how they work? Fifteen questions on the clever science inside ordinary household gadgets.
Before you start
You have 15 seconds for each question. When time runs out, the question counts as wrong.
Your first choice is the one that counts. It is checked straight away, with an explanation where there is one.
At the end you see your score and can go back through every question and its answer.
XP scales with your score. Replays earn XP only when you beat your previous best.
From players
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General Knowledge · Everyday Objects & Their Uses
A Japanese toilet with a control panel, a Mongolian ger, a Bolivian salt hotel and a Dutch clog: discover strange, clever and surprising objects from different cultures and the reasons behind them.
General Knowledge · Everyday Objects & Their Uses
Fifteen intriguing objects from kitchens, ships, workshops and laboratories, some old and some still in use today. Look closely at each photo and work out what it does. Some are easy; some might baffle your grandparents.