Taste BudsTaste BudsSubmitted by:Isaiah HarrellSubmitted by:Isaiah Harrell

Scientific QuestionScientific Question

How can we identify different How can we identify different areas of the tongue where areas of the tongue where

different taste buds are located?different taste buds are located?

HYPOTHESISHYPOTHESIS

WHAT IF WE TASTE WHAT IF WE TASTE SOMETHING SOMETHING

SWEET,SOUR,SALTY,OR SWEET,SOUR,SALTY,OR BITTER, THEN WE CAN WE BITTER, THEN WE CAN WE

IDENTIFY WHICH PART OF THE IDENTIFY WHICH PART OF THE TONGUE IS RESPONSIBLE FOR TONGUE IS RESPONSIBLE FOR

DOING THAT?DOING THAT?

BackgroundBackground

When food enters the mouth,it When food enters the mouth,it mixes with saliva.This mixture mixes with saliva.This mixture activates the taste buds in the activates the taste buds in the tongue, setting off a chemical tongue, setting off a chemical reaction that we call “taste”reaction that we call “taste”

BackgroundBackground

These taste budscan be found on These taste budscan be found on the tongue in large numbers.taste the tongue in large numbers.taste buds are also found on the roof of buds are also found on the roof of

the mouth, and in the throat. the mouth, and in the throat.

How to locate your taste budsHow to locate your taste buds

Stick your tongue out in front of a mirror Stick your tongue out in front of a mirror and look for many little white bumps called and look for many little white bumps called papillae.papillae.

The taste buds are found at the bottom of The taste buds are found at the bottom of the papillae.the papillae.

Did You Know?Did You Know?

Taste buds can identify four different tastes:Taste buds can identify four different tastes: SweetSweet SourSour SaltySalty bitterbitter

MaterialsMaterials

Three small cupsThree small cups Cotton swabsCotton swabs Tap water or bottled waterTap water or bottled water Three pairs of latex or rubber glovesThree pairs of latex or rubber gloves 12 copies of the tongue map12 copies of the tongue map Pen or pencilPen or pencil

Materials cont.Materials cont.

Dilute salt solutionDilute salt solution Dilute sugar solutionDilute sugar solution Dilute vinegar solutionDilute vinegar solution Dilute white horseradish solutionDilute white horseradish solution 12 test tubes12 test tubes Test tube rackTest tube rack

ProcedureProcedure

Place four test tubes in the test tube Place four test tubes in the test tube rack.The tubes should be labeled rack.The tubes should be labeled salt.sugar,vinegar and horseradishsalt.sugar,vinegar and horseradish

Prepare a tongue diagram for each subject Prepare a tongue diagram for each subject tested.Write the subjects name.age,and tested.Write the subjects name.age,and gendergender

Procedure Cont’dProcedure Cont’d

Rinse mouth with bottled or tap water.Rinse mouth with bottled or tap water. Place a small amount of each of the four Place a small amount of each of the four

liquids on various areas of the tongue.liquids on various areas of the tongue.

ConclusionConclusion

In this project, I learned that there In this project, I learned that there are different types of taste are different types of taste

buds,and they help describe buds,and they help describe different kinds of taste.different kinds of taste.

ReferencesReferences

http://madsci.wustl.eduhttp://madsci.wustl.edu http://www.wfubmc.edu/nba/faculty/miller/milhttp://www.wfubmc.edu/nba/faculty/miller/mil

ler.htmller.html http://www.kidshealth.org/kid/somebodyhttp://www.kidshealth.org/kid/somebody