The graph of the sine function Student activity Play

The graph of the tangent function Student activity Play

The human faces Simulation Play

The mechanism of dehydratation reaction Animation Play

The mechanism of electrophilic substitution Animation Play

The reactivity of haloalkanes Animation Play

The reactivity of haloalkanes in nucleophilic substitution reactions Student activity Play

The symmetry of triangles Whiteboard exercise Play

The vertex of a parabola Student activity Play

Triangles symmetrical with respect to a line Whiteboard exercise Play

Triangles symmetrical with respect to a point Whiteboard exercise Play

Using properties of a parabola Whiteboard exercise Play