Aliphatic amines: properties as bases Student activity Play

Alkali metals Whiteboard presentation Play

Alkali metals Class activity Play

Alkaline earth metals. Group 2 Class activity Play

Alkaline earth metals. Group 2 Whiteboard presentation Play

Allotropes of carbon Animation Play

Aluminium chloride Animation Play

Ammeter Student activity Play

An atom and a nucleus Animation Play

An atom and a nucleus Student activity Play

An electric circuit Student activity Play

An electric circuit Animation Play

An electrically neutral body Animation Play

An electron-proton pair Animation Play

Annihilation Animation Play

Annihilation and creation Animation Play

Annihilation and creation Whiteboard exercise Play

Annihilation and creation Student activity Play

Antimatter Animation Play

Antiparticles Animation Play

Antiparticles – matter and antimatter Student activity Play

Application of an electron microscope Slideshow Play

Application of an electron microscope Student activity Play

Application of an electron microscope Whiteboard exercise Play

Application of capacitors in electronics Animation Play