Captain Silver has a problem. He has to move his treasure but can only build his boat out of silver foil. How much treasure can he safely transport and what is the best design for his boat? Each student is given a set amount of aluminium foil and a short time to build a boar for Captain Silver. They are asked to predict how much it will hold and test their prediction. The class then reflect on the best designs and make some conclusions as to the best ideas for Captain Silvers challenge. You will need - Aluminium, Unifix cubes (or similar), a large tank of water/bath/sink.

Activity sheet with a drawn body in the centre. Labels for the upper, lower body and face provided. Students can cut and stick or link up with lines. Great to photocopy onto A3 to increase the image size. Individual, paired or group activity!