科学六年级常识比赛

如果在科学室发生以上的意外，你应该怎么做？

What should you do if accident happens as shown in the picture above?

• 继续进行实验

  Continue experiment

• 把容器丢进垃圾桶

  Throw away the test tube into dustbin

• 通知老师

  Inform teacher

以下哪种微生物与上图微生物是同一个种类？

Which of the following microorganism is the same class with microorganism shown above?

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哪个微生物会污染食物而使我们食物中毒？

Which of the following microorganism will cause food pollution and causing food poisoning?

• 浮游植物 Phytoplankton

• 水棉 Spirogyra

• 酵母菌 Yeast

• 沙门氏菌 Salmonella

为什么玉蜀黍之间保留一定的距离？

Why there is certain space between corn?

• 没有任何目的

  No purposes

• 为了方便收割玉蜀黍

  To make the process of harvest corn easier

• 为了避免玉蜀黍之间产生竞争关系

  To avoid competition between corn plants

• 为了确保玉蜀黍的花粉能传播得更远

  To ensure the pollen of corn can travel farther

鸟巢蕨生长在大树上，大树得生长却不受影响。他们之间得共生关系是什么？

Staghorn fern grow on tree yet tree is not disturbed at all. What is the type of interaction that happens in plants?

• 共栖 commensalism

• 寄生 parasitism

• 竞争 competition

• 互利共生 mutualism

图上显示一只绝种的动物。它是

Picture above shows a extinct animal. It is

• 渡渡鸟 Dodo bird

• 拟斑马 Quagga

• 猛犸 Mammoth

• 尖齿虎 Saber-toothed tiger

以下哪种交通工具威胁了以上动物的生存？

• 轮船 ship

• 卡车 truck

• 直升机 helicopter

• 自行车 bicycle

以下哪项不是上图的情况所造成的后果？

Which of the following is not the consequences caused by situation shown in picture?

• 水生生物死亡 aquatic animals die

• 水源受到污染 water source is polluted

• 水生生物的种类逐渐增加 types of aquatic animals are increasing

• 有毒物质污染了河边的土地 toxic substance pollute the land along the river

以下哪项活动所使得力与图中鸭子按门铃时所使用的力是相同的？

Which of the following activities used the same force as shown in the picture above?

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图中里的动作说明了什么？

What can we learn from the action in the picture shown above?

• 推力使蓝球变形了

  push force change the shape of basketball

• 拉力使蓝球变形了

  pull force change the shape of basketball

• 速度使蓝球变形了

  speed change the shape of basketball

• 蓝球变形与力无关

  Change the shape of basketball has nothing to do with the force