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

Development - cities Whiteboard exercise Play

Development - food Slideshow Play

Development of the embryo Student activity Play

Development of the embryo Simulation Play

Diet of the Red Deer Slideshow Play

Different foods – different adaptations Student activity Play

Different foods – different adaptations Simulation Play

Different types of chemical energy Slideshow Play

Diffusion and smelling food Animation Play

Digestion Student activity Play

Digestion of food rich in cellulose Whiteboard presentation Play

Digestion of food rich in cellulose Class activity Play

Digestion times for different foods Chart Play

Digestive strategies of herbivores Slideshow Play

Digestive strategies of herbivores Student activity Play

Effect of light on the growth of food plants Slideshow Play

Energy expenditure and loss in heterotrophs Student activity Play

Energy flow and food chains Student activity Play

Energy flow through food chains Animation Play

Energy in a food chain Student activity Play

Energy in a food chain Whiteboard exercise Play

Energy input and energy output Animation Play

Energy losses in a food chain Slideshow Play

Energy resources Student activity Play