A battery made of coins Student activity Play

A battery of cells Simulation Play

A battery of cells Animation Play

A battery of cells Whiteboard exercise Play

A battery of cells Student activity Play

A clone – an identical copy Whiteboard exercise Play

A clone – an identical copy Student activity Play

A constant source of voltage Student activity Play

A constant source of voltage Simulation Play

A constant source of voltage Whiteboard exercise Play

A grey body Student activity Play

A sperm cell Whiteboard exercise Play

About cells Student activity Play

Absorption spectra Student activity Play

Addition of strong acid to an ammonium buffer Animation Play

Agglutinogens and agglutinins Simulation Play

AIDS – an example of a viral disease Class activity Play

AIDS – an example of a viral disease Whiteboard presentation Play

Alkaline earth metals Whiteboard exercise Play

Alkaline earth metals Student activity Play

Alkaline earth metals Slideshow Play

Alkaline earth metals Whiteboard exercise Play

Alkaline earth metals. Group 2 Class activity Play

Alkaline earth metals. Group 2 Whiteboard presentation Play

Alternation of generations in bryophytes Slideshow Play