What Can Be Measured but Not Seen? is a short, thoughtful riddle about something we all use every day. Guess, then tap Show Answer.
Riddle: What can be measured but not seen?
Answer: Time
Need a hint?
Clocks and watches measure it.
Answer and explanation (spoiler!)
The answer is time.
We measure time in seconds, minutes, hours and years, but we can never actually see time itself. We only see clocks, calendars and things changing as it passes.
Most things we measure, like height or weight, are things we can see. Time is the odd one out.
Difficulty: Easy · Best for: ages 7 and up
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FAQ
Are there other answers?
Temperature, sound and wind can also be measured but not seen, so they’re fair answers. Time is the classic one.
Is this a good riddle for kids?
Yes. It’s a great way to start talking about things that are real even though we can’t see them.