Describing class intervals Student activity Play

Describing class intervals – alto singers Whiteboard exercise Play

Describing class intervals – speed of light Whiteboard exercise Play

Diffusion (Fick's first law) Student activity Play

Dmitri Mendeleev and the first periodic table Animation Play

Effect of concentration on the reaction rate. Graphical methods Class activity Play

Effect of concentration on the reaction rate. Graphical methods Whiteboard presentation Play

Einstein's first postulate Whiteboard exercise Play

Einstein's postulates Student activity Play

Electron configuration of few first elements Animation Play

Embryonic stage – the first 8 weeks of embryo development Student activity Play

Embryonic stage – the first 8 weeks of embryo development Whiteboard exercise Play

Equilibrium of forces – Newton's First Law of Motion Student activity Play

Equilibrium of forces – Newton's First Law of Motion Whiteboard exercise Play

Establishing systematics – the work has only just begun Student activity Play

Examples of description of class intervals Animation Play

Factorising perfect square trinomials – common factor first Whiteboard exercise Play

Fertilization and the first weeks of the embryo's life Student activity Play

Fertilization and the first weeks of the embryo's life Whiteboard exercise Play

Finding the common ratio and the first term of the geometric series Whiteboard exercise Play

Finding the first five terms in a sequence Whiteboard exercise Play

Finding the first term and the common ratio of the geometric sequence Whiteboard exercise Play

Finding the frequencies from a histogram Whiteboard exercise Play

Finding the frequencies from a histogram Student activity Play

Finding the interquartile range Whiteboard exercise Play