A battery of cells Student activity Play

A battery of cells Simulation Play

A battery of cells Whiteboard exercise Play

A permanently charged body Animation Play

A positive and a negative square root Whiteboard exercise Play

A pump Animation Play

Absolute values of entropy Whiteboard exercise Play

Absolute values of entropy Student activity Play

Absorption and waste Class activity Play

Absorption of light by transition metal ions Animation Play

Absorption of the products of carbohydrate digestion Animation Play

Absorption of the products of protein digestion Animation Play

Absorption of the products of protein; carbohydrate and lipid digestion Student activity Play

Absorption spectrum of Co(II) ions Illustration Play

Absorption spectrum of Co(II) ions Whiteboard exercise Play

Absorption spectrum of Ti(III) ions Illustration Play

Acid-base reactions of metal ions Class activity Play

Acid-base reactions of metal ions Whiteboard presentation Play

Acidic properties of hydrogen halides Student activity Play

Acidity reaction (hydrolysis) of metal ions Student activity Play

Acidity reaction (hydrolysis) of metal ions Whiteboard exercise Play

Add integers Student activity Play

Add integers Whiteboard exercise Play

Adding and subtracting positive decimals Student activity Play

Adding and subtracting positive decimals Whiteboard exercise Play