The equation of a circle with centre at an arbitrary point Student activity Play

The equation of a circle with centre at the origin Student activity Play

The equation of the circle Student activity Play

The equation of the circle Animation Play

The equilibrium constant Whiteboard exercise Play

The equilibrium constant expression for a heterogeneous reaction Animation Play

The equilibrium constant expression of the homogeneous reaction Animation Play

The equilibrium constant Kp Student activity Play

The equilibrium for the decomposition of hydrogen iodide Animation Play

The factors effect on the values of the equilibrium constants Whiteboard exercise Play

The force of gravity depends on the distance Student activity Play

The force of gravity depends on the distance Simulation Play

The force of gravity depends on the distance Whiteboard exercise Play

The force of interaction depends on the distance and the charges Simulation Play

The force of interaction depends on the distance and the charges Slideshow Play

The force of interaction depends on the distance and the charges Student activity Play

The formation of an image by a spherical mirror Student activity Play

The formula for the distance Simulation Play

The formulas of constant functions Whiteboard exercise Play

The frequency of the perceived wave Animation Play

The frequency of the wave perceived by the observer Animation Play

The general form and the factor form of a quadratic function Student activity Play

The graph of direct proportionality Student activity Play

The graph of direct proportionality Whiteboard exercise Play

The graph of inverse proportion Student activity Play