Safety: This experiment requires the pupils to different foods so care should be taken that there are no illnesses or allergies to the foods or the cotton buds. The pupils should only test the food on the tip of their tongues. The cotton buds should not be re-used. Apparatus: Cotton buds Sugar Salt Lemon juice Method: Put a small amount of sugar on the tip of your tongue and record the taste. Put a small amount of salt on the tip of your tongue and record the taste. Put a small amount of lemon juice on the tip of your tongue and record the taste. Suggested questions to ask the pupils [and expected results]: Was each of the tastes as you expected? [To most pupils, they will taste as expected. There may be a minority that taste the sugar most strongly. This disproves the tongue that “map” most people think of. In fact, the original experiments showed that there were only very small differences in sensitivity, but this was exaggerated to give the tongue “map”.] Activity 1: On the Tip of Your Tongue Student Worksheet – In this experiment, you will investigate tastes on the tip of your tongue to see whether the tongue exists. “map” Safety: This experiment requires you to taste different foods so please let your club leader know if you cannot test sugar, salt or lemon, or if you are allergic to cotton buds. You should only test the food on the tip of their tongues. The cotton buds should not be re-used.
Safety: This experiment requires the pupils to different foods so care should be taken that there are no illnesses or allergies to the foods or the cotton buds. The pupils should only test the food on the tip of their tongues. The cotton buds should not be re-used. Apparatus: Cotton buds Sugar Salt Lemon juice Method: Put a small amount of sugar on the tip of your tongue and record the taste. Put a small amount of salt on the tip of your tongue and record the taste. Put a small amount of lemon juice on the tip of your tongue and record the taste. Suggested questions to ask the pupils [and expected results]: Was each of the tastes as you expected? [To most pupils, they will taste as expected. There may be a minority that taste the sugar most strongly. This disproves the tongue “map” that most people think of. In fact, the original experiments showed that there were only very small differences in sensitivity, but this was exaggerated to give the tongue “map”.] Activity 1: On the Tip of Your Tongue – Student Worksheet In this experiment, you will investigate tastes on the tip of your tongue to see whether the tongue “map” exists. Safety: This experiment requires you to taste different foods so please let your club leader know if you cannot test sugar, salt or lemon, or if you are allergic to cotton buds. You should only test the food on the tip of their tongues. The cotton buds should not be re-used.
Sensational%20Science%20Update.docx