趣味小實驗

姜琴

a raw（生的） egg；a glass of water；salt

1. Very carefully（仔細(xì)地） put a raw egg in a glass of water. What happens（發(fā)生） to the egg？

2. Now，take the egg out of the water. Put some salt into the water. Stir（攪拌） the water. Put the egg in the water again. What happens？