English National Curriculum - Science Science

11. Explore diodes and LEDs

Mission Objectives

Describe and explain the shape of the current potential difference graph for a diode

Describe what's meant by a light-emitting diode and explain why they're useful

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Rocket Words Quiz

See if you know all the meanings of the rocket words

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Find all the rocket words in the grid

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Keywords

Words and meanings to learn

potentiometer

A resistor that is three-terminal with a voltage divider than can be adjusted.

LED

A light-emitting diode, a device which is a semiconductor which lights up when an electric current passes through it.

diode

A one-way switch which is a semiconductor device, allowing electric current to flow in one direction and not the other.

threshold

The level that something changes or an event occurs.

regulate

The maintenance of speed within a process or machine to allow it to be controlled properly.

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