Reactions between Group 1 and 2 metals and water Student activity Play

Reactions between halogens and metals Student activity Play

Reactivity of halogens Student activity Play

Regular polygons – the dodecagon Student activity Play

Regular polyhedron Animation Play

Relation between enthalpy of solution and enthalpy of hydration Whiteboard exercise Play

Relationship between the period of revolution and the orbital radius Illustration Play

Resistance of a wire Animation Play

Resistance of a wire – a case study Student activity Play

Resistance of a wire – a case study Whiteboard exercise Play

Rocky planet Chart Play

Rolling and rotations Student activity Play

Rutherford's atomic model Student activity Play

s-Block elements Whiteboard presentation Play

s-Block elements Class activity Play

Salts of carboxylic acids Student activity Play

Satellite television Student activity Play

Satellites Whiteboard presentation Play

Satellites Whiteboard presentation Play

Satellites Class activity Play

Satellites Class activity Play

Satellites in an orbit Whiteboard exercise Play

Satellites' observation Animation Play

Selected physical properties of oxides Chart Play

Shooting Simulation Play