Ordering the powers of the number 10 Whiteboard exercise Play

Orders of magnitude Student activity Play

Overloading Whiteboard exercise Play

Overloading Student activity Play

Oxidation states of halogens Animation Play

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

pH and the concentration of hydrogen ions Animation Play

Photocell Whiteboard exercise Play

Photography Animation Play

Photons Student activity Play

Photovoltaic cell Whiteboard exercise Play

Photovoltaic cell Student activity Play

Place value Whiteboard presentation Play

Place value Class activity Play

Plum-pudding model of atom Animation 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

Positive and negative aspects of sports training Student activity Play

Positive and negative aspects of sports training Whiteboard exercise Play

Positive and negative electricity Whiteboard exercise Play