2012年12月1日星期六

living thing and non living thing.

living things are those things can move around,can breath,undergo growing and can reproduce.
Examples of living things are human,animals and plant.
Non living things are those thing cannot grow,do not reproduce,cannot breath and cannot move around by itself.
Examples of non living things are rock,building,book,computer and etc.

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.