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Free Everyday Objects quiz: 50 trivia questions and answers — why are they made that way?. Easy to hard, with explained answers. No sign-up.
Start this quiz →🖨️ Printable version (20 questions + answers)
We use them without thinking, but every detail of our objects has a reason. This quiz reveals the why behind the shapes, holes and materials around us, with a good dose of 'I'd never thought of that'.
This quiz currently has 50 questions, ranging from easy to hard, available in French, English and Spanish when the Spanish translation is available.
Warm up before the quiz with these 10 trivia questions and their explained answers: click a question to reveal the answer.
Answer: To let air pass through if it is swallowed. The design has a practical purpose linked to safety, physics, ergonomics or manufacturing. To let air pass through if it is swallowed.
Answer: To keep the door closed and limit warm-air leakage. The design has a practical purpose linked to safety, physics, ergonomics or manufacturing. To keep the door closed and limit warm-air leakage.
Answer: To keep a regular shape and make rotation easier. The design has a practical purpose linked to safety, physics, ergonomics or manufacturing. To keep a regular shape and make rotation easier.
Answer: To mechanically lock the sheets together. The design has a practical purpose linked to safety, physics, ergonomics or manufacturing. To mechanically lock the sheets together.
Answer: To improve grip and manage water or debris depending on use. The design has a practical purpose linked to safety, physics, ergonomics or manufacturing. To improve grip and manage water or debris depending on use.
Answer: The air layer or vacuum reduces heat transfer. The design has a practical purpose linked to safety, physics, ergonomics or manufacturing. The air layer or vacuum reduces heat transfer.
Answer: To release enough water quickly for flushing. The design has a practical purpose linked to safety, physics, ergonomics or manufacturing. To release enough water quickly for flushing.
Answer: To gradually equalise pressure between the panes. The design has a practical purpose linked to safety, physics, ergonomics or manufacturing. To gradually equalise pressure between the panes.
Answer: They come from different technical traditions. The design has a practical purpose linked to safety, physics, ergonomics or manufacturing. They come from different technical traditions.
Answer: It is a result of the final rolling process. The design has a practical purpose linked to safety, physics, ergonomics or manufacturing. It is a result of the final rolling process.
40 more questions are waiting for you in the quiz!