2012年11月30日星期五

Chemical Substances

Foods, drinks, cosmetics product, and perfumes that we use everyday may contain chemical substances.Some of the chemical substances may cause the negative effects to our body, even cause certain illness.


Food
Drink
Cosmetics product


Perfumes

Science

Science look difficult to understand,but it actually interesting.
Science make use in our daily life and make our life more wonderful.
Aeroplane
Rocket
Computer




Every students learn Science,since they enter primary school.