Worksheets科学 5 电
Total questions: 12
Worksheet time: 12mins
以下哪项不是点的来源？
Which of the following is not the sources of electricity?
上图显示一种交通工具的某个部分。
上述部分的用途是什么？
Diagram above shows a part of a transport.
What is the use of the part of a transport.
为车灯提供电能
Provide electricity for car lights
使轮胎自动转动
Make the tire rotating automatically
使煞车器发挥作用
Make the brakes work
把电能转化成动能
Transform electrical energy into kinetic energy
上图显示一个电路图。
Q元件是什么？
Diagram above shows a circuit diagram.
What is component Q?
哪项是电路中开关的功用？
Which of the following is function of the switch in the circuit?
电流的来源
The source of the electricity
让电流通过的路线
Let the electricity flow through it
连接电路，传导电流
Connect the circuit, electricity can flow through it
控制电路中电流的流通
Control the flow of the electricity in the circuit
某电源应用水力推动水轮， 提供电能. 那是什么电源？
This energy source uses kinetic energy from water to rotate the turbines to generate electricity . What is the source of energy?
太阳电池
Solar cells
蓄电池
Accumulators
可充电电池
Rechargeable batteries
水力发电站
Hydroelectric power stations
上图显示一个电路。
哪一个 电路图是上图的电路？
Diagram above shows an electric circuit。
Which is the circuit diagram for the electric circuit in diagram above?
哪项的电路图的灯泡亮度最暗淡？
Which circuit has the dimmest bulbs?
上图显示一个电路。
如何增加灯泡的亮度？
Diagram above shows an electric circuit.
What can be done to make the bulb brighter?
增加开关的数量
Increase the number of switches.
增加电线的长度
Increase the length of the wire
增加灯泡的数量
Increase the number if bulbs
增加干电池的数量
Increase the number of dry cells
上图中设备的电源是什么?
What is the source of electricity for the devices in diagram above?
小型发电机
Dynamos
可充电电池
Rechargeable batteries
太阳电池
Solar cells
蓄电池
Accumulators
以下哪组配搭是正确的？
Which of the following functions is correct?
灯泡 - 提供电能
Bulb - Supply electricity
开关 - 控制电流
Switch - Control the electricity can flow through
电线 - 计算电流
Wire - Counting the electricity that flows through
干电池 - 连接元件
Dry cell - Connect the electrical components
上图显示一个电路图。
按下哪组开关会使灯泡发亮？
Diagram above shows a circuit diagram.
Which set of switches to press will make the bulb light up?
P
P & Q
P & R
Q & R
上图显示一个有三个一样灯泡的电路图。
哪项的说明是正确的？
Diagram above shows an electric circuit with three similar bulbs.
Which of these statements is true?
P 灯泡是最明亮的
Bulb P is the brightest
Q 灯泡是最明亮的
Bulb Q is the brightest
R 灯泡是最明亮的
Bulb R is the brightest
全部的灯泡的亮度是一样的
All the bulbs have the same brightness.
