English National Curriculum Science

6. Explore loudspeakers and headphones

Mission Objectives

Describe how a moving coil loudspeaker on headphones work

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Rocket Words Quiz

See if you know all the meanings of the rocket words

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Word Search Game

Find all the rocket words in the grid

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Keywords

Words and meanings to learn

DC motor

A class of rotary electrical motors that converts direct current electrical energy into mechanical energy.

rotation

The action of rotating about an axis or centre.

commutator

A rotary electrical switch in certain types of electric motors and electrical generators that periodically reverses the current direction between the rotor and the external circuit.

coil

The path along which something moves, lies, or points I'm coming from the opposite.

direction

The path along which something moves, lies, or points I'm coming from the opposite.

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