Questions about the physical changes Whiteboard exercise Play

Radiation Whiteboard exercise Play

Radiation Student activity Play

Radiation of heat Student activity Play

Radiation of heat Whiteboard exercise Play

Radio waves Student activity Play

Radio waves Animation Play

Reaction conditions and enthalpy change Slideshow Play

Reactions of complex ions Student activity Play

Reactivity of halogens Student activity Play

Reading properties of the cosine from the graph Whiteboard exercise Play

Reading properties of the sine from the graph Student activity Play

Reading properties of the sine from the graph Whiteboard exercise Play

Rectifier Student activity Play

Rectifier Whiteboard exercise Play

Reducing properties of simple sugars Animation Play

Reflecting telescope Whiteboard exercise Play

Reflecting telescope Student activity Play

Refracting telescope Student activity Play

Refraction of light Student activity Play

Resistance Slideshow Play

Resistance of liquids to expansion and compression Student activity Play

Resistance of liquids to expansion and compression Whiteboard exercise Play

Rotation of the polarisation plane Whiteboard exercise Play

Rotation of the polarisation plane Student activity Play