nth roots Student activity Play

On the steep road Game Play

Osmosis Student activity Play

Osmosis Animation Play

Osmosis Student activity Play

Osmosis – the diffusion of water molecules Animation Play

Parallel and perpendicular lines Whiteboard presentation Play

Parallel and perpendicular lines Student activity Play

Parallel and perpendicular lines Class activity Play

Parallel and perpendicular lines Animation Play

Parallel lines Student activity Play

Parallel straight lines Animation Play

Passive transport 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 lines Whiteboard exercise Play

Perpendicular lines Student activity Play

Perpendicular straight lines Animation Play

Photons Animation Play

Place value Whiteboard presentation Play

Place value Class activity Play

Plasma: the fourth state of matter Student activity Play

Plum-pudding model of atom Animation Play