Differences in inheritance of traits Student activity Play

Differences in inheritance of traits Whiteboard exercise Play

Differences in size Student activity 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 Whiteboard presentation Play

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

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

Expanding the squares of the differences Whiteboard exercise 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 sine of an angle lying in the first quadrant Whiteboard exercise Play

First and second differences – maths investigations Whiteboard exercise Play

First and second differences – maths investigations Student activity Play

First organic compounds Illustration Play