1st November 2002 at 00:00
Chemistry is a truly magical subject. Use the story of wizards and bring it to life with some wonderful, mysterious and enchanting colour changes. Forget test tubes, get the biggest flasks. Amaze younger ones with an alkaline solution, and universal indicator neutralised with dry ice, or the "blue bottle mystery" (alkaline glucose and methylene blue; shaken not stirred) - the blue disappears and re-appears. What of those precipitates such as lead iodide, or the beautiful colours of vanadium salts (yellow, blue and purple) made by reducing sodium metavanadate? Rediscover the alchemist in you, drag out oMI-016-0103ld-fashioned texts, the ones that might have been written by Dumbledore himself, or at least by a chemist that looked like him.

Log-in as an existing print or digital subscriber

Forgotten your subscriber ID?


To access this content and the full TES archive, subscribe now.

View subscriber offers

Get TES online and delivered to your door – for less than the price of a coffee

Save 33% off the cover price with this great subscription offer. Every copy delivered to your door by first-class post, plus full access to TES online and the TES app for just £1.90 per week.
Subscribers also enjoy a range of fantastic offers and benefits worth over £270:

  • Discounts off TES Institute courses
  • Access over 200,000 articles in the TES online archive
  • Free Tastecard membership worth £79.99
  • Discounts with Zipcar,, Virgin Wines and other partners
Order your low-cost subscription today