Road signs Animation Play

Secant and tangent of a function Animation Play

Second-order derivative at a local extremum Student activity Play

Second-order derivative at a local minimum Animation Play

Simplified formula for Pearson's coefficient Student activity Play

Size of electric current Whiteboard exercise Play

Size of electric current Animation Play

Size of electric current Student activity Play

Slope of a line Whiteboard exercise Play

Slope of a line Student activity Play

Spontaneous changes and probability Student activity Play

Standard electrochemical potential Class activity Play

Standard electrochemical potential Whiteboard presentation Play

Standard hydrogen half-cell Student activity Play

Standard potential of the hydrogen electrode Animation Play

Standard reduction potentials Student activity Play

Standard reduction potentials Animation Play

Standard reduction potentials Student activity Play

Standard reduction potentials Chart Play

Standard reduction potentials Chart Play

Standard reduction potentials Whiteboard exercise Play

Synapses – functioning and importance of junctions between neurones Student activity Play

Tangent parallel or perpendicular to a line Student activity Play

Tangent parallel to a line Whiteboard exercise Play

Tangents to graphs Whiteboard presentation Play