六年级科学-速度

下列哪项没有速度？

Which of the following living things have speed?

• 站立的小孩 Small kid who is standing still

• 走路的行人 Pedestrian who is walking

• 正在飞行的小鸟 Small bird that is flying

• 在海上航行的轮船 Ship which is sailing in the sea

下列哪项的说明关于速度是正确的？

Which of the following statements about speed is correct?

• 全部的 物体都有速度

  All objects have speed

• 静止的物体是没有速度的

  Objects that are not moving do not have speed

• 物体移动得快， 比较迟抵达目的地

  A faster object arrives later at its destination

• 物体移动得快需要更多的时间抵达目的地

  A faster object needs more time to reach its destination

一位司机驾驶速度是 80km/h ( 公里/ 小时)

A driver is driving at a speed of 80 km/ h.

当司机看到在路旁的交通标志如上图显示的，司机应该怎么做?

What should the driver do when he sees the road sign shown in diagram above?

• 减少速度 Reduce the speed

• 增加速度 Increase the speed

• 保持速度 Maintain the speed

• 把车停泊在路旁 Stop his car on the roadside

李先生在 20分钟内行驶了 35 公里的距离。 计算李先生的驾驶速度。

Mr Lee takes 20 minutes to drive on distance which is 35 km away. What is the speed of his car?

• 95 km/j

• 85 km/j

• 105 km/j

• 115 km/j

图上显示 P、Q、R 和 S 汽车的驾驶速度比较。

Diagram above shows that the comparison of the speed for car P, Q, R and S.

下列那个图表能显示上图的资料？

Which of the following graphs match to the information on diagram above ?

• 
• 
• 
• 

上表显示P、Q、R和 S 四辆汽车在一小时内所行驶的距离。

Table above shows the distance travelled by for cars P, Q, R and S in one hour.

哪辆汽车移动的速度最快？

Which cars move the fastest?

• P

• Q

• R

• S

一组学生想要确定豹奔跑地速度。最适合用来计算该速度的单位是......

A group of students want to make sure that the speed of leopard runs. The suitable standard units for its speed is .....

• 厘米/秒 cm/ s

• 米/秒 m/s

• 米/分钟 m/m

• 公里/小时 km/h

如果M汽车的行驶速度是80 km/j , 这表示 .......

If the speed of car M is 80 km/j, means.......

• M汽车只行驶了 80 km 就停下了

  Car M only moves for 80 km then stops

• M汽车只行驶了1 小时就停下了

  Car M only moves for an hour then stops

• M 汽车在1小时内行驶了 80 km

  Car M moves 80 km for an hour

• M 汽车用了80 个小时到达目的地

  Car M spends 80 hours to arrive the destination

上图显示W、X、Y 和 Z汽车行驶的速度。

Diagram above shows the speed of car W, X, Y and Z move.

下列哪项说明是正确的？

Which of the following statements is true?

• Z 最快

  Z is the fastest

• Y 的速度最慢

  The speed of Y is the slowest

• X比Y慢， 但比Z快

  X slower than Y but faster than Z

• W比X快， 但比Z慢

  W faster than X but slower than Z

从哪个斜面滚下的球能在相同的时间内滚动得最远？

Which of following inclined planes that the balls roll down at the same time is the furthest ?

• 
• 
• 
•