Evolution of stars Class activity Play

Evolution of stars Whiteboard presentation Play

Evolutionary development of the nervous system of invertebrates Slideshow Play

Example of a differential equation and its solution Animation Play

Example of solving a rational equation Animation Play

Example of solving a system of linear equations by elimination Animation Play

Example of solving a system of linear equations by substitution Animation Play

Example of solving a trigonometric equation Animation Play

Example of the transformation of an equation into a quadratic equation Animation Play

Examples of a vector equation of a line Simulation Play

Examples of speed equation calculations Student activity Play

Excretory system of annelids Illustration Play

Excretory system of flatworms Illustration Play

Excretory system of insects Illustration Play

Excretory system of vertebrates Illustration Play

Exercises about the equation of the circle with centre at an arbitrary point Student activity Play

Existence of roots Whiteboard exercise Play

Existence of roots Student activity Play

Existence of roots of polynomial equations Animation Play

Exothermic reactions Animation Play

Experiment to detect the products of respiration Whiteboard exercise Play

Experimental determination of a rate equation Animation Play

Experimental determination of enthalpy of solution Student activity Play

Exploration of the Solar System Student activity Play

Exponential equation Whiteboard exercise Play