A change in the medium of wave propagation Student activity Play

A change in the medium of wave propagation Simulation Play

A change in the medium of wave propagation Whiteboard exercise Play

A diagram of an illustration Animation Play

A disc and a weight Animation Play

A microscopic view Animation Play

A mobile source and a stationary observer Student activity Play

A plug Animation Play

A source of light Student activity Play

A source of light Whiteboard exercise Play

A standing wave Animation Play

A standing wave Student activity Play

A standing wave Whiteboard exercise Play

Born-Haber cycle Student activity Play

Born–Haber cycle for sodium chloride Animation Play

Calculating the reaction rate Whiteboard exercise Play

Cardiac cycle Whiteboard exercise Play

Cardiac cycle Student activity Play

Cell cycle – G1 phase Animation Play

Cell cycle – G2 phase Animation Play

Cell cycle – M phase Animation Play

Cell cycle – S phase Animation Play

Changes of state Class activity Play

Changes of state Whiteboard presentation Play

Chemical equilibrium in a gas phase Class activity Play