Click here for The Copper Development Association homepage. The Copper Development Association supports education through the provision of free online resources spanning Biology, Chemistry and Physics. Working with the Association for Science Education, CDA developed these materials in conjunction with teachers to ensure relevance to the curriculum and create stimulating extension tasks and materials. Each of the resources can also be downloaded in PDF format - including question and answer sheets - for printing and other offline use in the classroom. Back to WMCTC Home Page