A ball on an inclined plane Animation Play

A circle with a centre at the origin and the given radius Whiteboard exercise Play

A different form of the equation of the circle Animation Play

A differential equation with separable variables Animation Play

A linear equation Animation Play

A linear function in the argument Whiteboard exercise Play

A linear function in the argument Student activity Play

A negative value of the discriminant Student activity Play

A negative value of the discriminant Whiteboard exercise Play

A parabola and its equation Student activity Play

A parabola and its equation Whiteboard exercise Play

A plane Animation Play

A throw of a ball Whiteboard exercise Play

A tide Whiteboard exercise Play

A tide Student activity Play

A vector equation of a line passing through two points – justification Animation Play

A vibrating beam Student activity Play

A vibrating beam Whiteboard exercise Play

About the experiment Whiteboard exercise Play

Acid dissociation constant and pH (1) Student activity Play

Acid dissociation constant for lactic acid Animation Play

Addition reactions Whiteboard exercise Play

Additional information contained in chemical equations Student activity Play

Against the wind and with the wind Student activity Play

Against the wind and with the wind Whiteboard exercise Play