English National Curriculum Science

3. Explore electromagnetism

Mission Objectives

Describe how a current flows through a wire to generate a magnetic field

Explain how a solenoid can increase the magnetic effect of a current

Draw the magnetic field pattern for a straight wire carrying a current and for a solenoid

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Keywords

Words and meanings to learn

current

A flow of electricity which results from the ordered directional movement of electrically charged particles.

solenoid

A cylindrical coil of wire acting as a magnet when carrying electric current.

electromagnetism

The phenomenon of the interaction of electric currents or fields and magnetic fields.

resistance

A measure of the opposition to current flow in an electrical circuit.

electricity

A form of energy resulting from the existence of charged particles.

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