http://www.activescience-gsk.com
This site produced by Glaxo Smith Kline has an interactive periodic table with a wealth of resources. Related modules include:
• Humans and Animals
• Illustrated Materials Database
• Mission Material
• Humans and Animal Habitats
• Energy Challenge
• Population Growth
• Body Builder
• The Heart
• Balanced Diet
• Elements Database
• Population Growth and Spreadsheet
• Selective Breeding and Genetic Engineering
• Enzymes in Biotechnology