Gunpowder Slideshow Play

Half-life for first-order reactions Student activity Play

Halogen lights Illustration Play

Hardness index of water Animation Play

Hardness of diamond Animation Play

Hardness of graphite Animation Play

Health effects of dioxins Slideshow Play

Heat generated by the combustion of carbon Whiteboard exercise Play

Homeostasis and active transport Animation Play

Homologous series of alkenes Student activity Play

How did the atmosphere form? Student activity Play

How do buffers work? Student activity Play

How temperature affects reaction rates Student activity Play

How the concentration of a reactant affects reaction rate Student activity Play

How the concentration of a reactant affects reaction rate Animation Play

How to calculate pH of strong acid solutions? Animation Play

Hybrid orbitals Animation Play

Hybridisation and multiple bonds Student activity Play

Hybridisation and multiple bonds Whiteboard exercise Play

Hybridisation in methane molecule Animation Play

Hybridisation type of carbon atoms Slideshow Play

Hydrocarbons Student activity Play

Hydrocarbons found in natural gas Illustration Play

Hydroxide ions concentration calculations Animation Play

Hypotonic; hypertonic and isotonic solutions Animation Play