Determination of enthalpy change in combustion reactions Whiteboard exercise Play

Determination of enthalpy change in combustion reactions (1) Student activity Play

Determination of enthalpy change in combustion reactions (2) Student activity Play

Different types of energy Animation Play

Dioxins Student activity Play

Do households affect ecosystems? Student activity Play

Do households affect ecosystems? Whiteboard exercise Play

Does a compound have a constant composition? Student activity Play

Efficiency and economy Whiteboard presentation Play

Efficiency and economy Class activity Play

Electricity from solar energy Student activity Play

Energetic effects of combustion Whiteboard exercise Play

Energetic effects of combustion Student activity Play

Energy (calorific) values for some common fuels Chart Play

Energy changes during the combustion of Period 3 elements in oxygen Animation Play

Energy conservation Animation Play

Energy cycle method Animation Play

Energy losses Whiteboard exercise Play

Energy losses Student activity Play

Energy released by combustion of fossil fuels Chart Play

Energy sources and cell respiration Student activity Play

Energy sources and cell respiration Whiteboard exercise Play

Energy transfer during chemical reactions Student activity Play

Energy value of some fuels Illustration Play

Energy values of fuels Slideshow Play