Power supply unit Student activity Play

Power supply unit Whiteboard exercise Play

Power supply units and rectifiers Whiteboard presentation Play

Power supply units and rectifiers Class activity Play

Preparation of alkenes Student activity Play

Preparation of alkenes by dehydration of alcohols Animation Play

Production and loss of heat Student activity Play

Production and loss of heat Slideshow Play

Products of hydrocarbon combustion Student activity Play

Properties of metals Slideshow Play

Protection of a house against heat loss Simulation Play

Protection of a house against heat loss Student activity Play

Protection of a house against heat loss Whiteboard exercise Play

Provision and emission of heat Student activity Play

Provision and emission of heat Simulation Play

Provision and emission of heat Whiteboard exercise Play

Radiation Student activity Play

Radiation Animation Play

Radiation Whiteboard exercise Play

Radiation of heat Student activity Play

Radiation of heat Whiteboard exercise Play

Radioactive waste disposal Slideshow Play

Rain Animation Play

Reaction course under changing environmental conditions Animation Play

Reaction of iron with chlorine Animation Play