Water, in clouds, crystals and gels, and in multi-celled organisms, makes an enthralling topic for investigation at any age. It's also a resource that future generations must understand as it will need ever more careful management in a polluted and crowded world.
Unilever's booklet Water is for students of A-level standard and offers descriptions and explanations o the wet stuff. It also suggests a range of practical work, following prescriptive directions and pursuing open-ended investigations. For apprehensive teachers, answers are provided in a separate supplement.
Water cost pound;2 from the Association for Science Education, Book sales, College Lane, Hatfield, Herts AL10 9AA. Tel: 01707 267411. Fax: 01707 266532.