Chemistry Counts Practical Investigations Teacher's Handbook Author:Susan Walker, Graham Hill This book is a set of accompanying teachers' notes, with guidance on assessment and ideas for extension work, for "Chemistry Counts - Investigations: Student's Sheets". These 96 investigations, most of which are placed in an industrial or commercial context, complement the "Chemistry Counts" textbook and provide the practical component for GCSE ... more »chemistry courses. The book clarifies the aims of and includes practical notes on the running of each investigation.« less