Children explore their enviroment
v a
1. Sugar, salt, citric acid, Dead Sea salt:
Can you distinguish between them ?

* Right:  in a blister observe  some grains of sugar, salt, citric acid and Dead Sea salt.
* Left: Your tongue helps you to distinguish between sweet, sour, salty (and bitter).
* Use your wet fingertip to bring one granule of the first sample on your tongue.
* Do the same with the other white substances.
Remember: Never ever test unknown substances with you tongue!
Remember: Always write the name of a substance on your container before filling it.



back.......go on..........first published: 04.01.2002..... ..... ....last modification: 09.03.2007