Quadrilaterals and their properties Whiteboard presentation Play

Quadrilaterals and their properties Class activity Play

Radio waves Student activity Play

Radio waves Animation Play

Reaction conditions and enthalpy change Slideshow Play

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

Reactions of complex ions Student activity Play

Reading properties of the cosine from the graph Whiteboard exercise Play

Reading properties of the sine from the graph Whiteboard exercise Play

Reading properties of the sine from the graph Student activity 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

Resistance Slideshow Play

Rocks formed from magma and lava Animation Play

Secondary data Student activity Play

Selected physical properties of oxides Chart Play

Slowing down of neutrons Animation Play

Some properties of division Animation Play

Some properties of division Student activity Play

Some properties of division – a factor of a sum Animation Play

Some properties of igneous rocks Slideshow Play