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PYQ - Science 2008 Sec.0.A.Q1 |
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Which of the following animals lives in solitary? 下列哪种动物是独居的？ A。 B。 C。 D。 Answer 答案: B Chapter 单元： Standard 6，六年级：Interaction Between Living Things 生物之间的互相联系 |
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PYQ - Science 2008 Sec.0.A.Q2 |
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Herbivores are animals which eat 草食动物的食物是 I grass 草 II fish 鱼 III fruit 水果 IV meat 肉 A。 I and III I 和 III B。 I and IV I 和 IV C。 II and III II 和 III D。 II and IV II 和 IV Answer 答案: A Chapter 单元： Standard 4，四年级： Life Processes 生物的生存过程 Note 备注： Herbivore is an animal which only eats plant. 草食动物是只吃植物的动物。 |
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PYQ - Science 2008 Sec.0.A.Q3 |
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Diagram 1 shows the stages in the life cycle of a butterfly. 图1显示一只蝴蝶的生命周期。 
Diagram 1 / 图1 Which of the following is the correct sequence of the stages? 下列哪项是蝴蝶成长阶段的正确顺序？ A。H、E、F、G B。G、H、F、E C。E、F、H、G D。F、G、E、H Answer 答案: B Chapter 单元： Standard 4，四年级： Life Processes 生物的生存过程 |
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PYQ - Science 2008 Sec.0.A.Q4 |
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Diagram 2 shows a food web for a farm. 图2显示菜园的一个食物网。  Diagram 2/ 图 2 What would decrease the population of Grasshopper? 如何可以减少蚱蜢的总数？ I。 Plant more grass 种更多的草 II。 Breed more chickens 饲养更多鸡 III。Kill the snakes 杀死蛇 IV。Kill the sparrow 杀死麻雀 A。I and IV I 和 IV B。I and II I 和 II C。II and III II 和 III D。III and IV III 和 IV Answer 答案: C Chapter 单元： Standard 5，五年级：Food Chains & Food Webs 食物链和食物网 |
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PYQ - Science 2008 Sec.0.A.Q5 |
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Diagram 3 shows animals classified into two groups, X and Y. 图3显示动物被归类成两组，X和Y。 
Diagram 3/ 图3 Which of the following have been correctly classified into group X and group Y? 下列哪项被归类组是正确的？ 
Answer 答案: D Chapter 单元： Standard 5，五年级：Survival of Species 物种的生存 Note 备注： X = Animals reproduce by giving birth。X是胎生动物 Y = Animals reproduce by laying egg。Y是卵生动物 |
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PYQ - Science 2008 Sec.0.A.Q6 |
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Diagram 4 shows an experiment in a laboratory over one week. 图4显示在实验室里长达一个星期的实验。 
Diagram 4/ 图4 What is the conclusion of this experiment? 这个实验的结论是什么？ A。Plants need water to live 植物需要水来生存 B。Plants need air to live 植物需要空气来生存 C。Plants need sunlight to live 植物需要阳光来生存 D。Plants need soil to live 植物需要泥土来生存 Answer 答案: A Chapter 单元： Standard 4，四年级：Basic Needs 生物的基本需求 |
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PYQ - Science 2008 Sec.0.A.Q7 |
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Mother is preparing dough to make bread. She finds that the dough does not rise.What should she do to make sure the dough rises? 妈妈准备了面团来做面包。她发现面团发不起来。 她要如何确保面团发起来？ A。Mix yeast into the dough 把酵母菌搀在面团中 B。Add some vinegar into the dough 在面团中加入一些醋 C。Bake the dough for a longertime 把面团烘得久一点 D。Add more flour into the dough 多加面粉在面团中 Answer 答案: A Chapter 单元： Standard 5，五年级：Microorganisms 微生物 Note 备注： Yeast is a type of fungus that is used in making bread. Mother needs to mix yeast into the dough to make it rises. 酵母菌是一种真菌，常用于做面包. 妈妈需要混合酵母菌在面团里才能使面团发起来。 |
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PYQ - Science 2008 Sec.0.A.Q8 |
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Fruit X has the following characteristics. 果实 X 有下列的特征。 - Not heavy 轻
- Has air space 有气室
- Covered with a wax layer 表面有一层蜡质
What is the dispersion agent for this fruit? 这个果实的传播媒介是什么？ A。Wind 风 B。Water 水 C。Explosive mechanism 自动爆裂 D。Animal 动物 Answer 答案: B Chapter 单元： Standard 5，五年级：Survival of Species 物种的延续 Note 备注： Fruits and seeds which are dispersed by water have the special charateristics as stated above. Examples: coconut, mangrove, lotus 由水力当媒介来传播种子的果实有以上的特征。例子: 椰子, 红树, 荷花 |
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PYQ - Science 2008 Sec.0.A.Q9 |
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The following information compares the area of four sheets of paper, W, X, Y and Z. 下列的资料是 W、X、Y 和 Z 四张纸的面积的比较。 - The area of W is bigger than Z
W 的面积比 Z 的大
- The area of Y is bigger than W but less than X
Y 的面积比 W 的大，但是比 X 的小 Which of the following bar charts represents the above information? 下列哪个条形统计图可以说明上述的资料？ A。 B。 C。 D。 Answer 答案: B Chapter 单元： Standard 4，四年级：Measurements 测量 |
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PYQ - Science 2008 Sec.0.A.Q10 |
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Renewable energy means energy that 可更新的能是指 A。Can be replenished when used up 可以被补充的能 B。Cannot be transformed 不可转换形式的能 C。Uses solar energy 应用太阳能的能 D。Can be easily run off 容易流失的能 Answer 答案: A Chapter 单元： Standard 5 五年级：Energy 能 Note 备注： Renewable energy is energy that can be replaced naturally and therefore will not be used up. Example: Wind, water energy. 可更新的能是指可以自然地再补充的能, 生生不息。例子：风力、水力 |
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PYQ - Science 2008 Sec.0.A.Q11 |
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In which situation is friction useful? 下列哪项是摩擦力的用处？ I。 Sharpening a knife 把刀磨利 II。 Producing heat in a machine 使机器产生热能 III。Holding an object 握住一个物体 IV。Waste of energy 浪费能源 A。I and III I 和 III B。I and IV I 和 IV C。II and III II 和 III D。II and IV II 和 IV Answer 答案: A Chapter 单元： Standard 6，六年级：Force 力 Note 备注： I and III are the advantages / useful of friction.II and IV are the disadvantages of friction. I 和 III 是摩擦力的用处。II 和 IV 则是摩擦力的不利之处。 |
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PYQ - Science 2008 Sec.0.A.Q12 |
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Diagram 5 shows a plan of a house. All the rooms are rectangular in shape. 图 5 显示一间房子的平面。所有的房间都是长方形。 
Diagram 5/ 图 5 Which of the following rooms have the same area? 下列哪些房间的面积是相同的？ A。R and T R 和 T B。S and U S 和 U C。R and S R 和 S D。T and U T 和 U Answer 答案: C Chapter 单元： Standard 4，四年级：Measurements 测量 |
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PYQ - Science 2008 Sec.0.A.Q13 |
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Diagram 6 shows an instrument. 图 6 显示某种器具。 
Diagram 6/ 图 6 What will happen to the image of object Z if mirror X is replaced by a transparent glass? 如果以透明玻璃取代镜子 X，物体 Z 的影像会怎样？ A。Cannot be seen 无法看到 B。Can be seen but looks smaller 可以看到，但影像较小 C。Can be seen but looks bigger 可以看到，但影像较大 D。Can be seen clearly 可以看得很清楚
Answer 答案: A Chapter 单元： Standard 5，五年级：Light光能 Note 备注： We need mirror X to reflect the image to our eyes. 我们需要镜子 X 把所有光线反射向我们的眼睛。 |
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PYQ - Science 2008 Sec.0.A.Q14 |
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Diagram 7 shows an electric circuit with four bulbs, S, T, U and V. 图 7 显示一个有 S、 T、U 和 V 四个灯泡的电路。 
Diagram 7/ 图 7 Which bulb when removed, will leave only one bulb to lit? 哪个灯泡被移走后，将只有一个灯泡发亮？ A。V B。U C。T D。S Answer 答案: C Chapter 单元： Standard 5，五年级：Electricity 电能 Note 备注： When bulb U and V being removed, the electricity circuit for bulb U and V are not complete, therefore, bulb U and V will not lit. 当灯泡 T 被一开始，灯泡 U 和 灯泡 V 的电路不完整，灯泡 U 和 V 不会发亮。 |
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PYQ - Science 2008 Sec.0.A.Q15 |
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Diagram 8 shows a method of food preservation. 图 8 显示保存食物的一中方法。  Diagram 8/ 图 8 What are the advantages of this method? 这种方法有什么好处？ A。Food can last longer and easier to carry 食物可以保存更久及容易携带 B。Food can last longer and stay fresh 食物可以保存更旧及新鲜 C。Food can last longer and cheaper to produce 食物可以保存更久及生产成本较低 D。Food become tastier and fresh 食物会更美味及新鲜 Answer 答案: A Chapter 单元： Standard 6，六年级：Food preservation 食物的保存法 |
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PYQ - Science 2008 Sec.0.A.Q16 |
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Diagram 9 shows a type of food. 图 9 显示一中食物。  Diagram 9/ 图 9 Dora should check the expiry date before buying the food to make sure the food is 朵拉购买食品之前应该检查有效期以确保有关食品 A。able to be stored 可以储存起来 B。nutritious 有营养 C。still safe to eat 还可以安全食用 D。still fresh 还新鲜 Answer 答案: C Chapter 单元： Standard 6，六年级：Food preservation 食物的保存法 |
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PYQ - Science 2008 Sec.0.A.Q17 |
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Diagram 10 shows an investigation about evaporation. 图 10 显示一项有关蒸发的实验。 
Diagram 10/ 图 10 Table 1 shows the result of this investigation. 表 1 是这个实验的结果。 
What can be concluded from the result of this investigation? 根据这个实验的结果，可作出什么结论？ A。The type of water cause the water to evaporate faster 水的种类加速水的蒸发 B。The higher the water temperature is, the faster the water evaporates 水的温度越高，水蒸发的速度就越快 C。The material of the container determines the volume of the water which evaporates 容器的材料决定所蒸发的水的体积 D。The bigger the surface area of the container, the faster the water evaporates 容器表面的面积越大，水蒸发得越快 Answer 答案: D Chapter 单元： Standard 5，五年级：States of Matter 物质的状态 |
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PYQ - Science 2008 Sec.0.A.Q18 |
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Diagram 11 shows an environmental situation. 图 11 显示某个环境的情况。 
Diagram 11/ 图 11 Based on Diagram 11, what harmful effects would happen? 根据图 11， 可能造成什么不良的后果？ I。Acid rain 酸雨 II。Flash flood 突发的水灾 III。Greenhouse gases 温室效应 IV。Water pollution 水源污染 A。I and II I 和 II B。I and III I 和 III C。II and IV II 和 IV D。III and IV III 和 IV Answer 答案: C Chapter 单元： Standard 6，六年级：Waste Management 废物的处理 |
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PYQ - Science 2008 Sec.0.A.Q19 |
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Diagram 12 shows an investigation involving a changing state of matter. 图 12 显示有关物质形态变化的实验。 
What state of matter change happens at process J and process K? 在过程 J 和过程 K 中，会产生哪些物质形态变化？  Answer 答案: A Chapter 单元： Standard 5，五年级：States of Matter 物质的状态 Note 备注： When water boils at 100 oC, steam is formed. The state of water changes from liquid to gas when boiling occurs.When steam comes in contact with a cool surface, it will condense into tiny droplets of water. 当水加热至沸腾（100 oC），水会变成蒸汽；当水蒸气被冷却，就会液化成水。 |
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PYQ - Science 2008 Sec.0.A.Q20 |
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Table 2 shows the result of an investigation when litmus paper is dipped into three types of substances, W, X and Y. 表 2 显示石蕊试纸浸入 W、X 和 Y 三种物质后的实验结果。  Table 2 / 表 2 Which of the following represents the taste of substances, X, Y and Z? 下列哪项是物质 X、Y 和 Z 的味道？ 
Answer 答案: C Chapter 单元： Standard 5，五年级：Acids & Alkalis 酸和碱 Note 备注： Acidic substances will change the colour of blue litmus paper to red and it taste sour. Alkaline substances will change the colour of red litmus paper to blue and it taste bitter. Neutral substances will not change the colour of blue or red litmus paper. It's tasteless. 酸性物质具有极酸的味道，它把蓝色石蕊试纸变成红色；碱性物质具有极苦的味道，它会把红色石蕊试纸变成蓝色；中性物质不含酸性或碱性，它不会使蓝和红石蕊试纸改变颜色。 |
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PYQ - Science 2008 Sec.0.A.Q21 |
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A traveller wants to go due North but is lost in a desert at night. Which of the following constellations may help him to find due North? 一位旅客要朝北方行走，却在夜晚时分在沙漠中迷失了方向。下列哪个星座能帮他找到正北方向？ I。Big Dipper 北斗七星 II。Orion 猎户座 III。Leo狮子座 IV。Southern Cross 南方十字座 A。I and II I 和 II B。I and IV I 和 IV C。II and III II 和 III D。II and IV II 和 IV Answer 答案: A Chapter 单元： Standard 5，五年级：Constellations 星座 Note 备注： Southern Cross always points to the south. 南方十字座是指向南方的。 |
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PYQ - Science 2008 Sec.0.A.Q22 |
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What would happen if the Earth was positioned at the orbit of the planet Mercury in the solar system? 在太阳系中，如果地球出于水星的轨道上，地球将会怎样？ A。The temperature of the Earth would decrease。地球上的温度将会下降。 B。All living things on Earth would die。地球上的所有生物将会死亡。 C。The volume of water on the Earth would decrease。地球上的水的体积将会减少。 D。The size of the Earth would become smaller。地球的面积将会变得更小。 Answer 答案: B Chapter 单元： Standard 4，四年级： The Earth & the Universe 太阳系 Note 备注： If the Earth was positioned at the orbit of the planet Mercury, Earth would be too near to the sun. The temperature was too high, all living things on Earth would die. 如果地球在水星的轨道表示是最靠近太阳。温度太热，生物不能生存。 |
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PYQ - Science 2008 Sec.0.A.Q23 |
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Table 3 shows information about planets, X, Y and Z. 表 3 显示行星 X、Y 和 Z 的资料。 
Table 3 / 表 3 Which of the following is true based on the information in Table 3? 根据表 3 的资料，下列哪项是正确的？ A。The orbit of planet X is the biggest。行星 X 的轨道是最大。 B。The movement of planet Y is the fastest。行星 Y 运转得最快。 C。The temperature of planet Z is the lowest。行星 Z 的温度最低。 D。Planet Z is the nearest from the Sun。行星 Z 离太阳最近。 Answer 答案: C Chapter 单元： Standard 4，四年级： The Earth & the Universe 太阳系 |
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PYQ - Science 2008 Sec.0.A.Q24 |
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Diagram 13 shows the solar system. 图 13 显示太阳系 
Which planets are represented by K, L, M and N? K、L、M 和 N指的是什么行星？  Answer 答案: C Chapter 单元： Standard 4，四年级： The Earth & the Universe 太阳系 Note 备注： The order of the planets from the nearest to the furthest from the Sun is Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto. 根据行星与太阳的距离，最接近太阳的是水星，然后是金星、地球、火星、木星、土星、天王星、海王星和冥王星。 |
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PYQ - Science 2008 Sec.0.A.Q25 |
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Diagram 14 shows the Eclipse of the Moon. 图 14 显示月食。  Diagram 14 / 图 14 What causes this phenomenon? 是什么造成这种现象？ I。 Light travels in a straight line 光沿直线传播 II。The Sun is between the Moon and the Earth 太阳位于月球和地球之中 III。Light can be reflected 光辉被反射 IV。The Moon, the Earth and the Sun are in a straight line 月球、地球和太阳排成一条直线 A。I and III I 和 III B。I and IV I 和 IV C。II and III II 和 III D。II and IV II and IV Answer 答案: B Chapter 单元： Standard 6，六年级： Eclipses月食、日食 Note 备注： An eclipse of the Moon occurs when the Earth lies between the Sun and the Moon and the three of them are in straight line. The phenomenon of eclipses shows the relationship between two properties of light: (a) light travels in straight lines (b) light cannot pass through opaque objects. 当地球位于月球与太阳之间而形成一条直线时，月球将会出现。月食也是基于光沿直线传播及光不能透过不透明物体的原理而产生的。 |
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PYQ - Science 2008 Sec.0.A.Q26 |
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Diagram 15 shows the different stages in the history of construction technology. 图 15 显示不同时代的建筑工艺。  Diagram 15 / 图 15 Starting with the oldest, arrange the diagrams in the correct order of their historical development. 由最古老的开始，正确排列上面各图来说明建筑领域的工艺发展史。 A。E、F、G、H B。F、H、G、E C。G、E、F、H D。H、E、F、G Answer 答案: B Chapter 单元： Standard 4，四年级：Technologies 工艺 |
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PYQ - Science 2008 Sec.0.A.Q27 |
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Diagram 16 shows a worker who has to move all the goods on the floor to Y. 图 16 显示一个工人要把地上的货物搬上 Y。 
Diagram 16 / 图 16 Which of the following simple machines is most suitable to be used to make the work easier for the worker? 下列哪项简单机器最适合该工人把工作变得较为轻松？ A。Lever 杠杆 B。Wedge 尖劈 C。Pulley 滑轮 D。Inclined plane 斜面 Answer 答案: D Chapter 单元： Standard 6，六年级：Machines 机械 |
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PYQ - Science 2008 Sec.0.A.Q28 |
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Which of the following are the correct examples of a complex machine and a simple machine? 下列哪项有关复杂机械和简单机械的例子是正确的？ 
Answer 答案: D Chapter 单元： Standard 6，六年级：Machines 机械 Note 备注： 复杂机械和简单机械的正确例子：- 
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PYQ - Science 2008 Sec.0.A.Q29 |
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Which of the following is the most suitable activity to use binoculars? 下列哪项活动最适合使用望远镜？ A。To look at stomata pores on the leaf 观看叶子上的气孔 B。To watch TV show 观看电视节目 C。To look at fungus on a tree trunk 观看树干上的真菌 D。To look at the eagle while it is flying 观看正在飞行的老鹰 Answer 答案: D Chapter 单元： Standard ６，六年级：Technologies 工艺 |
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PYQ - Science 2008 Sec.0.A.Q30 |
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Diagram 17 shows three models, X, Y and Z with their legs positioned differently. 图 17 显示三个不同的模型X，Y 和 Z，它们的脚的状况各不相同。  Diagram 17/ 图 17 Which of the following is the correct statement about the stability of the models? 下列哪项是有关模型的稳定性的说明是正确的？ A。Y is the most stable Y 是最稳定 B。Z is more stable than X Z 比 X 稳定 C。Z is most stable Z 是最稳定 D。X is more stable than Y X 比 Y 稳定 Answer 答案: A Chapter单元： Standard 5，五年级：Strength & Stability 强度及稳定性 Note 备注： A structure which has a bigger base area is more stable.一个底部面积较大的结构会较平稳 |
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PYQ - Science 2008 Sec.B.Q1 |
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Diagram 1.1 shows two similar boxes, X and Y. Each box has 10 holes
puncheons in the sides. A farmer puts 25 chicks in box X and 18 chicks
in box F.
图1.1 显示 X 和 Y 两个凡是相似的盒子。每个盒子的侧面有 10 个洞。一个农夫把 25 只小鸡放进盒子
X ， 18 只小鸡放进盒子 Y。
Diagram 1/ 图 1
Table 1 shows the result of this investigation after five hours.
表 1 显示五个小时后的实验结果。
Table 1/ 表 1
(a) State one reason (inference) based on these
information.
根据上述的资料，写出一个原因（推断）。
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(b) Write one observation on the condition of the chicks in box X to
support the answer in 1 (a).
针对盒子 X 里小鸡的情况，写出一个观察来支持 1 (a) 项的答案。
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(c) The chicks in box Y are transferred to box Z as shown in Diagram 1.2 Box
Z is similar to box Y but it has only 5 holes punched by the sides.
把盒子 Y 的小鸡移置到如图 1.2 所显示的盒子 Z 里。盒子 Z 和盒子 Y
相似，但是它的侧面却只有五个洞。
Diagram 1.2/ 图 1.2
Predict what happen to the chicks after five
hours.
五个小时后，预测小鸡会怎样。
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(d) State one variable that was kept the same (constant) in this
investigation.
写出一个在这项实验中必须保持不变（固定）的事项。
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Answer 答案 :
(a) the chicks in box x will die due to lack of oxygen / competition for
space
盒子 X 的小鸡会死因为缺少空气 / 会竞争空间
(b) the chicks in box X will become less active/ weak / 4 chicks
die
小鸡不活跃 / 不健康 / 四只小鸡死了
(c) the chicks will die due to lack of oxygen/ the chicks will
become weak
小鸡即将会死 / 变得得很弱
(d) the size of the chicks/ the size of the holes/ the size of
the box
小鸡的大小 / 洞的大小 / 盒子的大小
Chapter 单元 :
Standard 6 六年级，Competition 生物之间的竞争
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PYQ - Science 2008 Sec.B.Q2 |
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Diagram 2.1 shows three electric circuits, A, B and C. The brightness of the
bulbs are recorded.
图 2.1 显示 A、 B 和 C 三个电路。灯泡的亮度已记录下来。
Diagram 2.1 / 图 2.1
(a) What is the purpose (aim) of this investigation?
这项实验的目的是什么？
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(b) What is the trend of changes in the brightness of the
bulbs in circuits, A, B and C?
在电路 A、B 和 C 中，灯泡亮度的变化形式是怎样的？
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(c) State one relationship (hypothesis)
between the variable that is changed (manipulated) and the variable that is
observed (responding), that can be made in this investigation.
写出这项实验中必须改变的事项（操纵性变数）和必须观察的事项（反应性变数）之间的一个关系（假设）。
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(d) Diagram 2.2 shows the arrangement of bulbs in two
different circuits. The brightness of the bulbs are recorded.
图 2.2 显示在两个不同电路中的灯泡的排列方式。灯泡的亮度已记录下来。
Diagram 2.2 / 图 2.2
What can you conclude from this
investigation?
从这个实验中能做出什么结论？
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Answer 答案 :
(a) To investigate the relationship between the numbers of bulbs and the
bulbs brightness.
为了研究灯泡的数量和灯泡的亮度之间的关系
(b) the bulbs brightness increase
亮度增加
(c) 灯泡越多，灯泡的亮度越暗
if more bulbs are added in the circuit, all
the bulbs will become dimmer
(d) 并联电路的灯泡比较亮，串联电路的灯泡比较暗。
bulbs in parallel circuit are brighter, bulbs
in series circuit are dimmer
Chapter 单元 :
Standard 5 五年级，Electricity 电能
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PYQ - Science 2008 Sec.B.Q3 |
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Four similar pieces of wet cloth, I, J, K and L are hung under fans of
different speeds respectively. Each cloth has a mass of 120g. After 2 hours,
the mass of each cloth is recorded as shown in Table 3.
I、J、K 和 L 四条相似的湿布，分别挂在旋转速度不一样的风扇第下。每条布的质量是120g.二小时后，布的质量记录如表 3。
Table 3 / 表 3
(a) What is the purpose (aim) of this investigation?
这个实验的目的是什么？
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(b) State one information gathered in this investigation.
写出这个实验中所收集的一个资料。
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(c) State the relationship (hypothesis) between the variable that is
changed (manipulated) and the variable that is observed (responding).
写出这实验中必须改变的事项（操纵性变数）和必须观察的事项（反应性变数）之间的关系（假设）。
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(d) Predict the mass of another similar cloth after 2 hours it is hung under
a fan of a very high (4) speed.
当另一条相似的布被挂在旋转速度非常快 (4) 的风扇低下时，预测两个小时后布的质量。
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Answer 答案 :
(a) to investigate how speed of fan affects the mass of cloths
为了研究风扇的速度如何影响湿布在 2 小时后的质量
(b) the mass of cloths / the speed of the fan.
湿布的质量 / 风扇的速度
(c) the higher the speed of fan, the faster the evaporation will
be.
风扇的速度越快，水分蒸发的速度越快
(d) 40g
Chapter 单元 :
Standard 5 五年级，Changes of State of Matter 物体状态的改变
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PYQ - Science 2008 Sec.B.Q4 |
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Table 4 shows the time taken by 5 planets to orbit the Sun.
表 4 显示四个行星绕着太阳运转一周所需要的时间。
Table 4 / 表 4
(a) State one reason (inference) about the difference in the time taken
by planets Mars and Neptune.
针对火星和海王星所需要时间的差异，写出一个原因（推断）。
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(b) What is the trend of change in the time taken by the planets to orbit
the Sun from Mars and Neptune?
从火星到海王星，绕着太阳运转一周所需时间的变化形式是怎样的?
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(c) The time taken by a new planet K to orbit the Sun is 100 years. Based on
Table 4, predict the location of the planet K.
一个新的行4星 K 绕着太阳运转一周需要100年。根据表 4 ，预测行星 K 的位置。
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(d) The time taken by a planet to orbit the Sun is related to the
distance of the planet from the sun.
Based on the statement above, state one relationship
(hypothesis) between the variable that is changed (manipulated) and the variable
that is observed (responding).
行星绕着太阳运转一周所需要的时间与行星离开太阳的距离是有关系的。
根据上述的说明，写出必须改变的事项（操纵性变数）和必须观察的事项（反应性变数）之间的一个关系（假设）。
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Answer 答案 :
(a) distance between Mars and Sun is nearer compare to the distance
between Neptune and Sun.
火星与太阳的距离比海王星与太阳的距离近。
(b) the further to the Sun, the longer the
time taken
行星离开太阳越远，需要的时间越长。
(c) between Uranus and Neptune
天王星和海王星的中间
(d) the further the planet away from Sun, the
longer the time taken the planet to obit the Sun
行星离开太阳的距离越远，绕太阳运转一周所需的时间越长
Chapter 单元 :
Standard4 四年级， The Solar System太阳系
All the planets move around thee Sun in their
orbits.
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PYQ - Science 2008 Sec.B.Q5 |
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Diagram 5 is a bar chart which shows how many telephone numbers a memorised
by 5 people aged 25, 35, 45, 55 and 65 years.
图 5 的条形统计图显示五位年龄分别是 25、35、45、55 和 65的人所记住电话号码的数量。
(a) State 写出
(i) What is changed (manipulated variable)
必须改变的事项（操纵性变数）
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(ii) What is observed (responding variable)
必须观察的事项（反应性变数）
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(b) State two other variables that is kept the same (constant)
写出另外两个必须保持不便（固定）的事项
(i)
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(ii)
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Answer 答案 :
(a i) the age of the people
不同的年龄
(a ii) the number of telephone numbers
that can be memorised
所记住的电话号码的数量
(b) the numbers of telephone number / the time
given to memorise the telephone numbers / the health conditions /
the environment conditions
电话号码的字数/ 周围的环境 / 电话号码的字数 /
人的健康状况 （任何两个）
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Science Paper
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