Poles of the magnets Whiteboard exercise Play

Radiation Animation Play

Radio Animation Play

Radioactivity Student activity Play

Relative abundance of isotopes and mass spectra Student activity Play

Repulsion between current-carrying conductors Animation Play

Right hand rule Animation Play

Sorting magnetic and non-magnetic metals Whiteboard exercise Play

Statements about attraction and repulsion Whiteboard exercise Play

Testing for magnetism Animation Play

Testing for magnetism Student activity Play

The attraction of iron filings by magnets Animation Play

The core of a transformer Student activity Play

The core of a transformer Illustration Play

The direction of the Earth's rotation Whiteboard exercise Play

The Earth in the Universe Student activity Play

The Earth's magnetic field Illustration Play

The Earth's magnetic field Student activity Play

The Earth's magnetic field Animation Play

The Earth's magnetic field Whiteboard exercise Play

The Earth's magnetic poles Animation Play

The electron spin quantum number Animation Play

The forces that turn the frame Whiteboard exercise Play

The forces that turn the frame Student activity Play

The function of a commutator Animation Play