Haemoglobin Animation Play

Half-life for first-order reactions Student activity Play

Halogen lights Illustration Play

Hardness index of water Animation Play

Hazards Slideshow Play

Health effects of dioxins Slideshow Play

Heat of combustion as a function of alkane constitution Illustration Play

Heating of mercury(II) oxide Animation Play

Heterogeneous catalysis Student activity Play

Heterogeneous catalysis Whiteboard exercise Play

Homeostasis and active transport Animation Play

Homeostasis – stability of the internal environment Slideshow Play

Homeostasis – the stability of the internal environment Student activity Play

Homogeneous catalysis Student activity Play

How a catalyst works (1) Student activity Play

How can we check whether a given substance is an element or a compound? Animation Play

How can we prove that air contains oxygen? Animation Play

How did the atmosphere form? Student activity Play

How do buffers work? Student activity Play

How do metals react with oxygen? Slideshow Play

How do plants use food? Simulation Play

How do tiny marine plants influence the climate on the Earth? Animation Play

How does an electric current decompose water? Student activity Play

How does glucose form in plants? Animation Play

How esters are formed? Animation Play