Vocab

The force of attraction or repulsion of magnetic materials.

Any material that attracts iron and materials that contain iron.

The ends of a magnetic object, where the magnetic force is strongest.

A force produced when magnetic poles interact.

The region around a magnet where the magnetic force is exerted.

Lines that map out the magnetic field around a magnet.

A device with a magnetized needle that can spin freely; a compass needle always points north.

The angle between geographic north and the north to which a compass needle points.

The relationship between electricity and magnetism.

A coil of wire with a current.

A magnet created by wrapping a coil of wire with a current running through it around a core of material that is easily magnetised.

A device that uses an electromagnet to detect small amounts of current.

A device that transforms electrical energy to mechanical energy

The process of generating an electric current from the motion of a conductor through a magnetic field.

Current consisting of charges that flow in only one direction in a circuit.

Current consisting of charges that move back and forth in a circuit.

A device that transforms mechanical energy into electrical energy.

A device that increases or decreases voltage, which often consists of two separate coils of insulated wire wrapped around an iron core.