Class practical: the deflection of a compass needle increases with the current carried by a wire.

Practical Activity 14-16

Class practical: a plotting compass and iron filings show that the shape of this magnetic field resembles that of a permanent...

Practical Activity 14-16

Class practical: iron filings show that a long, closely wound current-carrying coil behaves just like a bar magnet.

Practical Activity 14-16

Class practical: iron filings reveal the pattern of magnetism around a current-carrying wire, and factors that affect it.

Practical Activity 14-16

Class practical: using a plotting compass and iron filings to explore the field pattern.

Practical Activity 14-16

One magnet exerts a force on another. Magnetic field line patterns (see the SPT: Magnetism topic episode 01 for an...

Physics Narrative 14-16

Hans Christian Ørsted (1777–1851) was a Danish physicist and chemist who is most widely known for observing that electric...

Teaching Guidance 14-16

Teaching notes on using iron fillings in the classroom.

Teaching Guidance 14-16

Robert Norman was a scientific instrument-maker, working in London in the 1560s-80s. Among other devices, he made compasses...

Physics Narrative 14-16

After working with magnets in both primary and secondary school, students may have different understandings about magnetic...

Teaching Guidance 14-16

Dedicated scientists have observed the body alignment of dogs during defecation (1,893 observations) and urination (5,582...

Stories from Physics 11-14 14-16

Researchers have discovered that a geomagnetic spike occurred around 1000 BCE by examining the magnetic fields in slag, a by...

Stories from Physics 11-14 14-16