nth roots Student activity Play

Number of roots for a negative discriminant Animation Play

Oxidation states of halogens Animation Play

Oxidation states of the p-block elements in their commonest chemical compounds Student activity Play

Parallel vectors and unit vectors Student activity Play

Parts of vectors Animation Play

Permanent dipoles Student activity Play

Permanent dipole–dipole moment Animation Play

Permanent dipole–permanent dipole forces Student activity Play

Permanent dipole–permanent dipole interaction in liquids and gases Animation Play

Perpendicular distance from a point to a line Whiteboard presentation Play

Photography Animation Play

Place value Class activity Play

Place value Whiteboard presentation Play

Plum-pudding model of atom Animation Play

Points on the line Student activity Play

Points on the line Whiteboard exercise Play

Polarised covalent bond in hydrogen chloride Animation Play

Population variance Student activity Play

Position in electrochemical series and oxidising or reducing properties Chart Play

Position vectors Whiteboard presentation Play

Positive and negative aspects of sports training Student activity Play

Positive and negative aspects of sports training Whiteboard exercise Play

Positive and negative electricity Student activity Play

Positive and negative electricity Whiteboard exercise Play