Ability to colour litmus red Animation Play

Absorbed dose and dose equivalent Student activity Play

Absorption spectra Student activity Play

Acid rain destroys forests Animation Play

Acid-base indicators Chart Play

Acidic amino acids Slideshow Play

Acidic foods Illustration Play

Acidic oxides Animation Play

Acidic oxides Animation Play

Acidic properties Whiteboard exercise Play

Acidic properties Student activity Play

Acidic properties of ethanoic acid Animation Play

Acidic properties of hydrogen halides Simulation Play

Acidic properties of hydrogen halides Student activity Play

Acidic properties of sulphuric(VI) acid Slideshow Play

Acidity reaction (hydrolysis) of metal ions Student activity Play

Acids (1) Student activity Play

Acids (2) Whiteboard exercise Play

Acids (2) Student activity Play

Alpha decay Animation Play

Aluminium(III) salt in acidic, neutral and alkaline medium Whiteboard exercise Play

Amides and nitriles Student activity Play

Amphoteric metal hydroxides Animation Play

An atom and a nucleus Student activity Play

An atom and a nucleus Animation Play