Circuit symbols and diagrams | Science | Quizalize & Oak National Academy

Starter quiz

What is an electrical circuit?
- A set of electrical signs telling you which exercises to do.
- A closed loop that electricity can flow through to make something work. ✓
- An electric light in the shape of a circle.
Which of these is an electrical component?
- a vacuum cleaner
- a wheel
- a magnet
- a motor ✓
What is the name given to the two ends of a cell or battery?
- terminals ✓
- points
- poles
- conductors
Using science language, which image shows a battery?
Which terminal is the arrow pointing at in the picture?
- the positive terminal
- the negative terminal ✓
Which diagram correctly shows the direction of flow of electricity around the circuit?

Circuit ______ are small images that represent different electrical components.
- 'symbols' ✓
Why are circuit symbols used?
- to make sure everyone uses art as well as science
- to allow everyone to understand how a circuit is made ✓
- to create engaging instructions
Which of these things show how a circuit is connected together?
- a circuit symbol
- a circuit component
- a short circuit
- a circuit diagram ✓
- a circuit map
Which circuit symbol is shown here?
- a wire
- a closed switch ✓
- an open switch
- a bulb
Which circuit symbol is shown here?
- a bulb
- a motor
- a buzzer ✓
- an open switch
Which circuit diagram matches the circuit drawing?

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Circuit symbols are small images that represent different electrical components.
Circuit symbols allow everybody in the world to understand how a circuit is made.
Circuit diagrams show how the components in a circuit are connected together.

Pupils may think circuit diagrams should be drawn in 3D or that they are maps of circuits, drawn to scale with wobbly lines like roads on a map.

Pupils will be taught to draw and interpret circuit symbols and diagrams and will practice doing so.

Circuit - An electrical circuit is a closed loop or path that electricity can flow through to make a component work.
Component - A component is a device in a circuit that has a specific function.
Circuit symbol - A circuit symbol is a simple picture or shape used to represent a component in a circuit diagram.
Circuit diagram - A circuit diagram is a pictorial representation of a circuit.