Cracked wall Whiteboard exercise Play

Crystalline solids Animation Play

Cyanobacteria Whiteboard exercise Play

Cyanobacteria Student activity Play

Damages Whiteboard exercise Play

Destruction of foreign bodies by leucocytes Animation Play

Detecting sickle cell disease Whiteboard exercise Play

Detecting sickle cell disease by means of a genetic probe Student activity Play

Detecting sickle cell disease by means of a genetic probe Slideshow Play

Detection of sickle cell disease Whiteboard exercise Play

Determination and differentiation of cells Student activity Play

Determining the signs of the electrodes in a cell Animation Play

Development of the embryo sac and egg cell Animation Play

Devices that use microwaves Slideshow Play

Differences between cell division in animal and plant cells Whiteboard exercise Play

Differences between cell division in animal and plant cells Student activity Play

Different types of cell division Animation Play

Different types of neurones Slideshow Play

Differentiated cells – erythrocytes Student activity Play

Differentiated cells – leaf and palisade mesophyll cells Student activity Play

Digestion in the alimentary canal Illustration Play

Direction of spontaneous reaction Animation Play

Discharging a battery. Accumulators. Animation Play

Discharging a battery. Accumulators. Student activity Play

Discharging a battery. Accumulators. Whiteboard exercise Play