the students that their tongues
that contain more than 9,000 taste buds.
taste buds are grouped into four sections to identify sweet, salty,
sour and bitter tastes.
a four-part taste test to help
identify those special sections.
an overhead projector, show a
drawing of a
tongue with lines separating the tip, sides (in two sections) and back.
children copy the illustration.
corn syrup, sour pickle juice, lightly salted water and pure lemon
juice in four small jars and label each one.
eachchild two cotton swabs and let
turns dipping one end of their swabs in a specified liquid and brushing
a drop on their tongues.
each dip, have them label on
maps the section that seemed to control the taste.
the students have tested all four
labeled the map sections, have them compare their impressions with
yours: tip (sweet), front sides (salty), back sides (sour) and the back
of the tongue (bitter).
children that if they cut down
on sugar and
salt for a while they'll get used to consuming less of these