Enthalpy of hydration Whiteboard exercise Play

Enthalpy of hydration Student activity Play

Enthalpy of solution. Part 1 Student activity Play

Entropy Student activity Play

Entropy and spontaneous changes Student activity Play

Entropy change in the surroundings Animation Play

Equal numbers Whiteboard exercise Play

Equilibrium constants for the reaction of nitrogen with oxygen Animation Play

Estimation of the median and the quartiles of grouped data Student activity Play

Even and odd number of negative signs Whiteboard exercise Play

Exact values of trigonometric ratios Animation Play

Exact values of trigonometric ratios for selected angles Student activity Play

Exact values of trigonometric ratios for selected angles Animation Play

Example of solving linear inequality with the parameter Animation Play

Examples of a linear function Animation Play

Examples of functions Animation Play

Existence of  nth root of a given number Whiteboard exercise Play

Expected value and population variance Student activity Play

Expected value and population variance Whiteboard exercise Play

Experimental proof for the existence of dipole–dipole forces Slideshow Play

Experimental proof for the existence of dipole–dipole forces Student activity Play

Find the difference Student activity Play

Finding an approximation of an irrational number Student activity Play

Finding maximum and minimum values Whiteboard presentation Play

Finding maximum and minimum values Class activity Play