Applying the mid-ordinate rule Whiteboard exercise Play

Applying the multiplication rule for independent events Whiteboard exercise Play

Applying the trapezium rule Animation Play

Applying the trapezium rule for a different number of sub-intervals Whiteboard exercise Play

Approximation of the area under a curve Whiteboard presentation Play

Are all atoms of the same element identical? Student activity Play

Area under a curve Whiteboard presentation Play

Area under a curve Class activity Play

Arrangement of chemical elements in the periodic table Student activity Play

Atomic number Whiteboard exercise Play

Atomic number Student activity Play

Atoms and compounds Student activity Play

Attraction between current-carrying conductors Animation Play

Autotrophism in plants Student activity Play

Base dissociation constant Kb (2) Student activity Play

Billiard ball collisions and the velocity vectors Student activity Play

Biogenic compounds of the living organisms Slideshow Play

Biological removal of nitrogen and phosphorus compounds Whiteboard exercise Play

Biological removal of nitrogen and phosphorus compounds Student activity Play

Biotic and abiotic factors in the environment Student activity Play

Boiling and condensing water Whiteboard exercise Play

Boiling point Student activity Play

Bond dissociation enthalpy Student activity Play

Building molecules Whiteboard exercise Play

C-14 carbon dating Animation Play