Eight small food samples go on a tray. The child closes their eyes and holds their nose before each one is placed on their tongue. Without smell, most familiar foods become nearly impossible to identify. Releasing the nose mid-chew brings the flavour back in one moment. The experiment shows where taste actually comes from rather than explaining it.
What you need
- 8 small food samples: apple, lemon, chocolate, onion, crisps, orange, strawberry, cheese
How to do it
- 1Say: "Plug your nose, close your eyes. I'm putting food on your tongue. Guess what it is without smelling."
- 2Child holds their nose and closes their eyes. Place one sample on the tongue.
- 3Ask: sweet, sour, bitter, salty? Can they name it? Most cannot.
- 4Release the nose while still chewing. The flood of flavour is the lesson.
Variations
- Korb-Tür: If they won't try: smell one first without the nose-plug. "Now plug and try. Watch how different it is."
- Ausstieg: The apple-and-onion comparison is the finale—nose open mid-chew and the flood of flavour lands the lesson.
💡 Parent tip
Apple and onion are the most surprising pair: nose plugged, both are a mild sweet crunch. Released: completely different. Do this one last. The comparison lands harder after they've already been surprised several times.
What your child develops
- Sensory physiology — roughly 80% of perceived flavour comes from smell, not from taste receptors
- Taste vocabulary — identifying basic tastes and textures when flavour is removed requires precise language
- Scientific reasoning — the nose-open/nose-closed difference is itself the experiment
Safety notes
- Avoid allergens. Check the child is comfortable with each food before proceeding.
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