How much/many has he got? Whiteboard exercise Play

How plants obtain the substances necessary for life Slideshow Play

How to combine batteries Simulation Play

How to connect cells Whiteboard exercise Play

How to connect cells Student activity Play

How to establish the formulae of salts Student activity Play

How to write a number without too many zeros Student activity Play

Hydration of metal ions Animation Play

Hydrogen bonding Student activity Play

Hydrogen bonding in a hydrogen fluoride molecule Animation Play

Hydrogen halides Whiteboard exercise Play

Hydroxide ions concentration calculations Animation Play

Identification of ammonium ions in the solution Animation Play

In Antarctica and in the desert Whiteboard exercise Play

Index laws for integer exponents Student activity Play

Index laws for negative exponents Student activity Play

Index laws for negative exponents Whiteboard exercise Play

Index laws for negative exponents – a power of 2 Whiteboard exercise Play

Induction and contact Simulation Play

Induction and contact Student activity Play

Induction and contact Whiteboard exercise Play

Inhibitors – negative catalysts Animation Play

Insulators Whiteboard exercise Play

Insulators Student activity Play

Integrals of powers with rational exponent Whiteboard presentation Play