Joule–Thomson effect Animation Play

Journey of the continents Simulation Play

Journey to the centre of the Earth Student activity Play

Journey to the centre of the Earth Whiteboard exercise Play

Junctions between bones Student activity Play

Junctions between bones Slideshow Play

Junctions between bones Simulation Play

Karyotype Student activity Play

Karyotype Whiteboard exercise Play

Karyotype; sex chromosomes and sex determination Slideshow Play

Kelvin's idea Animation Play

Kepler's First Law Simulation Play

Kepler's Laws Student activity Play

Kepler's Laws Whiteboard exercise Play

Kepler's Second Law Animation Play

Kidney cross-section Illustration Play

Kidney failure Animation Play

Kidney – main organ of the human excretory system Illustration Play

Kinds of angles Simulation Play

Kinds of angles – reminder Student activity Play

Kinds of relationship Student activity Play

Kinds of relationship Whiteboard exercise Play

Kinds of triangles – classification by angles Student activity Play

Kinds of triangles – classification by angles Simulation Play

Kinds of triangles – classification by angles and sides Simulation Play

Kinds of triangles – classification by sides Student activity Play

Kinds of triangles – classification by sides Simulation Play

Kinetic energy Student activity Play

Kinetic energy Whiteboard exercise Play

Kinetic energy Class activity Play