Issue 28 Wonderful Water 食水得来不易

Practical Section — Water Pollution
Our seas, rivers and lakes are the source of water. Without water, we cannot survive. However, human activities have created water pollution. What are the causes of pollution? What effects does pollution have on living things in the water? Find out in this section.

实践专辑－水质污染
来自原始部落的爱因狮子和顿牛一直对文明世界的科技赞叹不已，怎知它们却发现人类竟然让重要的水资源遭受到前所未有的大污染！到底发生了什么事？


DIY Science — Sinking Under Water: Mini Submarine
Create your own mini submarine! This experiment will help you to understand about how a submarine works. How does it sink or float? What does density have to do with it? Dive into the depths of scientific discovery!

科学DIY －迷你潜艇
在水世界的深处，除了有品种繁多的海洋生物，还有一艘神秘的舰艇在活动，它就是潜艇。潜艇明明是一艘船，为什么却能潜入海底，又能浮在水面呢？让我们先来做一艘彩虹号潜艇，然后一起来研究并学习潜艇的原理吧！


Sports Review — Racing against Time under Water
Do you love swimming? If you do, then you'll be interested to learn about its origin. You'll be introduced to the different styles of swimming. Immerse yourself in this exciting section.

体育大考察－水中争分夺秒
马来西亚长年是夏，游泳是大多数人都喜爱的户外活动之一。炎炎夏日，能泡在水里运动，既能消暑又能减肥，一举两得！游泳是一种适合男女老少的运动，也是各运动项目中最受瞩目的赛事之一。这期的《彩虹科学家》就带你去认识关于游泳的一些事情吧！


Famous Scientist Comic — A Dream Come True
What happens when we sleep? Can we really enter a person's dream? Join James and Tommy in an exciting, dreamy adventure as they unravel the myteries of the sleeping human brain. Come and join the fun in Dreamland!

科学漫画－梦境成真
小钢收到一个从未来寄来的包裹，里面装着“入梦机”，是一个可以进入别人的梦境的机器！于是小健、小钢与博士就一起去找小康，想要进入小康的梦境！他们能否成功呢？


Mysteries of Earth — Earthquakes (4)
Earthquakes can be devastating. How can we determine the direction of an earthquake? Is there a device for this? And just what is an epicentre? Get all the details here!

地球的奧秘－地震篇（四）
每当传媒报道有关发生地震的新闻时，人们最关心的问题便是“地震在哪里发生”或“震中在哪里”。地震学家身在千里之外，他们是如何在最短的时间内计算出发生地震的地方呢？


Science Lab — Let us Play the Paper Game!
Paper is something which we can write on. But do you know that you can do lots of interesting stuff with paper? You'll discover fun facts about paper and its properties as you play exciting paper games!

科学实验室－一起来玩纸游戏
这一期的“科字实验室”要做的实验与中国四大发明有关。对了，就是纸张。纸张除了可以用来书写，还有哪些特点？在这一期里，一位神秘嘉宾会来陪大家一起用纸张来做实验哦！


Eco Paradise — The Magic of Vitamin C
Have you ever eaten oranges? Do you know that they contain Vitamin C? Just what does Vitamin C do to your body? Understand about the 'magic' of Vitamin C for your health! And find out what other fruits contain Vitamin C!

生态乐园－水果的维生素C魔法
我们知道水果里含有大量的维生素C，只要摄取足够，就能保持身体健康。什么是维生素C？它又如何在人体内施展魔法，使我们远离医生？小朋友，与《彩虹科学家》一起来认识维生素C吧！