Rational numbers Student activity Play

Rational numbers Whiteboard exercise Play

Reaction conditions and enthalpy change Slideshow Play

Reaction of iron(III) chloride with potassium iodide Animation Play

Recurring decimals Student activity Play

Recurring decimals Animation Play

Resistance Slideshow Play

Resistors Student activity Play

Resistors Animation Play

Rocks formed from magma and lava Animation Play

Rolling friction – application Animation Play

Rotation of the polarisation plane Student activity Play

Satellites Slideshow Play

Scintigraphy Slideshow Play

Slowing down of neutrons Animation Play

Smoke detector Whiteboard exercise Play

Smoke detector Animation Play

Smoke detector Student activity Play

Standard enthalpies of formation for elements Chart Play

Standard enthalpy change Student activity Play

Standard enthalpy of formation Student activity Play

Standard enthalpy of formation Animation Play

Standard entropy values Animation Play

State at room temperature Student activity Play

State at room temperature Illustration Play