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Building Circuits 1

Students answer questions about how to build a simple circuit and how electricity travels around it.

Key stage:  KS 2

Curriculum topic:  Electricity

Curriculum subtopic:  Lamps and Circuits

Difficulty level:  

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QUESTION 1 of 10

A simple circuit is built using a power source - we use batteries because they are safe, a device such as a bulb or buzzer and wires which carry the electrical energy from the source to the device.

We use a switch in the circuit so that the device can be turned off without having to disconnect the battery. The switch also allows us to save energy.

 

Devices in a circuit change the electrical energy into light, sound or movement.

 

  

 

To provide energy, a simple circuit needs a......

bulb

battery

motor

switch

The electrical energy travels around the circuit through the.........

switch

battery

buzzer

wires

Which one of these components shows that the electrical energy is flowing aroung the circuit? 

switch

wires

bulb

battery

To allow the electricity to flow the switch must be........

open

closed

Keisha makes a simple circuit using:

  • a bulb
  • a battery
  • wires

 

The bulb lights up. After a short time, the bulb goes out. Which THREE of these must Keisha check to find out why the electricity is not flowing?

the wire connections

the time

the bulb

the mains

the battery

Keisha decides to check the battery by taking out the bulb and replacing it with a device which changes electrical energy into sound.

 

This device is called a........

switch

buzzer

motor

The buzzer works in the circuit. This tells Keisha that........

the battery was flat

the bulb had blown

it's time to get ear-plugs

Keisha adds a switch to the circuit.

 

When the switch is open, the electricity........

jumps the gap

leaks out

cannot flow

Which device must Keisha use to change electrical energy into movement

a motor

a wheel

a switch

  • Question 1

To provide energy, a simple circuit needs a......

CORRECT ANSWER
battery
  • Question 2

The electrical energy travels around the circuit through the.........

CORRECT ANSWER
wires
EDDIE SAYS
The electrical energy from the battery travels through the wires to the device. The circuit must be a complete loop, without any gaps.
  • Question 3

Which one of these components shows that the electrical energy is flowing aroung the circuit? 

CORRECT ANSWER
bulb
EDDIE SAYS
When the bulb is lit, the electricity is flowing around the circuit.
  • Question 4

To allow the electricity to flow the switch must be........

CORRECT ANSWER
closed
EDDIE SAYS
An open switch makes a gap in the circuit, stopping the flow of energy.
  • Question 5

Keisha makes a simple circuit using:

  • a bulb
  • a battery
  • wires

 

The bulb lights up. After a short time, the bulb goes out. Which THREE of these must Keisha check to find out why the electricity is not flowing?

CORRECT ANSWER
the wire connections
the bulb
the battery
EDDIE SAYS
If any one of the components in the circuit is not working, the electricity will not flow.
  • Question 6

Keisha decides to check the battery by taking out the bulb and replacing it with a device which changes electrical energy into sound.

 

This device is called a........

CORRECT ANSWER
buzzer
  • Question 7

The buzzer works in the circuit. This tells Keisha that........

CORRECT ANSWER
the bulb had blown
EDDIE SAYS
Electrical energy is flowing from the battery to the buzzer to make a sound. The bulb was no longer working.
  • Question 8

Keisha adds a switch to the circuit.

 

When the switch is open, the electricity........

CORRECT ANSWER
cannot flow
EDDIE SAYS
A gap in the circuit stops the flow of electricity.
  • Question 9

Which device must Keisha use to change electrical energy into movement

CORRECT ANSWER
a motor
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