The components of blood Student activity Play

The composition of two enlargements Animation Play

The distance between the images Animation Play

The distance between the images – the rectangles Whiteboard exercise Play

The equation of a circle going through a point Student activity Play

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

The equation of a circle with centre at an arbitrary point Simulation 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 equation of the circle with centre at an arbitrary point Whiteboard exercise Play

The figures under enlargements Whiteboard exercise Play

The first tangent theorem Animation Play

The first tangent theorem – perpendicularity Student activity Play

The focal point of a concave mirror Student activity Play

The focal point of a concave mirror Simulation Play

The formation of an image by a spherical mirror Whiteboard exercise Play

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

The formation of an image by a spherical mirror Simulation Play

The frequency of the nerve impulse Whiteboard exercise Play

The integration of a nerve impulse in the nervous system Student activity Play

The integration of a nerve impulse in the nervous system Simulation Play

The length of the arc Animation Play

The major role of the central nervous system Student activity Play

The Milky Way Student activity Play