This two book photocopiable resource series contains 72 interesting and informative science problem solving challenges which teachers can readily integrate into their science programs. Problem solving skills are a very important part of the science curriculum. This bank of 72 problem solving challenges spread out over two books provides teachers with a comprehensive range of ready-to-go activity sheets. The sheets all reflect the 'science-in-context' approach and are linked to the three major curriculum areas: the physical world; the living world; and the material world. Activities are aimed at developing scientific skills and understandings. Book A focuses on: Science Measurement; Nature of Matter; Chemical Change; Animal Way of Life. Book B focuses on: Space and Time; Electrical Energy; Radiant Energy; Heat Energy; Force - Motion - Mass.