Determining the units of equilibrium constant Whiteboard exercise Play

Differences between diffusion and osmosis Animation Play

Different chemical reactions Slideshow Play

Differentiated cells – neurones Student activity Play

Diffraction Slideshow Play

Diffraction Student activity Play

Diffusion and osmosis – passive transport Student activity Play

Dinitrogen tetroxide – nitrogen dioxide chemical equilibrium Animation Play

Direction of a sailing ship Animation Play

Direction of spontaneous reaction Animation Play

Directions of vectors Whiteboard exercise Play

Directions of vectors Student activity Play

Directions of vectors according to the compass Whiteboard exercise Play

Displace metal from a solution Animation Play

Displacement of hydrogen from acids by metals Animation Play

Displacement of metals from solutions of their salts by other metals Student activity Play

Displacement reactions Student activity Play

Displacement reactions among the halogens Student activity Play

Displacement reactions among the halogens Animation Play

Displacement vector Student activity Play

Displacements Animation Play

Do catalysts affect the reaction equilibrium? Animation Play

Drawing opposite vectors Whiteboard exercise Play

Drawing velocity vectors Whiteboard exercise Play

Dynamic equilibrium Student activity Play