Entropy and spontaneous changes Student activity Play

Entropy change in the surroundings Animation Play

Equation for the neutralisation of power station emissions Illustration Play

Even and odd number of negative signs Whiteboard exercise Play

Examples of DC supplies Slideshow Play

Examples of fractional exponents Whiteboard exercise Play

Examples of multiplying polynomials Animation Play

Examples of roots of any order as the powers Animation Play

Examples of the derivative of an integer power of  x Animation Play

Existence of  nth root of a given number Whiteboard exercise Play

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

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

Exponential equation Whiteboard exercise Play

Exponential equation Whiteboard exercise Play

Exponential equations Student activity Play

Expressing as one power Whiteboard exercise Play

Expressions with powers Whiteboard exercise Play

Eye accommodation Animation Play

Eye accommodation Student activity Play

Factors affecting the lattice enthalpy Animation Play

Fermat numbers Whiteboard exercise Play

Find the difference Student activity Play

Finding cube roots Whiteboard exercise Play

Finding powers with rational exponents Whiteboard exercise Play

Finding square roots Simulation Play