同学们,我们在医院打针前需要在皮肤上涂抹什么来消毒呢?对了,是酒精。酒精是我们生活中很常见的一种物质,用途也很广泛。我们今天就利用酒精做一个大实验,震撼的实验效果会让你感受到酒精不为人知的一面。你们准备好了吗?一、材料清单塑料桶(纯净水桶即可,没有的话找到稍小的桶亦可代替)1个;酒精1瓶(75%或以上浓度都可以);火柴1盒。 Students, we need to smear the skin before the injections in the hospital to disinfect it? Yes, alcohol. Alcohol is a very common substance in our life and is used for a wide variety of purposes. Today we use alcohol to do a big experiment, shocking experiment will let you feel the unknown side of alcohol. You are ready? First, the bill of materials Plastic bucket (pure bucket can, if not find a smaller barrel can also be replaced) 1; 1 bottle of alcohol (75% or more concentration can be);