This superb new series of books has been carefully designed by very experienced Science teachers to provide a resource to help other teachers increase the level of interest and rigour in teaching Science in Primary School and Lower Secondary School. This is an outstanding collection of problem sheets and teacher guides to assist teachers in developing students’ understanding of ‘Working Scientifically’ in the various strands. This excellent resource of black line masters, ready to photocopy and give to students is designed to assist students and teachers in tackling problems in a systematic manner and facilitate improved understanding.