Electric field of a system of point charges Slideshow Play

Elements Whiteboard presentation Play

Elements Class activity Play

Emptying a bathtub Whiteboard exercise Play

Energy (calorific) values for some common fuels Chart Play

Enlargement on the plane Animation Play

Enlargement with centre at point (0, 0) Animation Play

Enlargements in the coordinate system Student activity Play

Enlargements in the coordinate system Student activity Play

Enlargements in the coordinate system Whiteboard exercise Play

Enlargements in the coordinate system at the point (0, 0) Student activity Play

Enlargements in the coordinate system at the point (0,0) Whiteboard exercise Play

Enlargements with fractional scales Student activity Play

Equation of a circle Whiteboard presentation Play

Equation of a circle Class activity Play

Equation of a straight line Class activity Play

Equation of a straight line Whiteboard presentation Play

Equation of any circle Simulation Play

Equipotential surfaces in a field due to a point charge Simulation Play

Equipotential surfaces in a field due to a point charge Student activity Play

Equipotential surfaces in a field due to a point charge Animation Play

Equipotential surfaces in a field due to a point charge Whiteboard exercise Play

Example of a quadratic function Animation Play

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

Expressions with common fractions and decimals Student activity Play