The operation of a rectifier Animation Play

The passage of water from the soil into the root Student activity Play

The passage of water through the plant Whiteboard exercise Play

The passage of water through the plant – the transpiration stream Student activity Play

The pattern for variables in binomial expansions Whiteboard exercise Play

The pattern for variables in binomial expansions Student activity Play

The peak in the graph of the emissive power Animation Play

The phenomenon of radiation Whiteboard exercise Play

The plant cell Illustration Play

The plant cell Slideshow Play

The plant cell Slideshow Play

The plant cell Student activity Play

The plant kingdom Whiteboard exercise Play

The plant kingdom Student activity Play

The power before all other operations Whiteboard exercise Play

The power before all other operations Student activity Play

The power in an arithmetic expression Whiteboard exercise Play

The power in the order of operations Animation Play

The power of 10 Animation Play

The power of 10 with a natural exponent Whiteboard exercise Play

The power of 10 with a natural exponent Student activity Play

The power of 10 with a negative exponent Student activity Play

The power of 10 with a negative exponent Whiteboard exercise Play

The power of a cyclist Animation Play

The power of a device and the design of mains household electricity Whiteboard exercise Play