Item no.: 15243-88 Function and Applications Set for student experiments, especially suitable for teaching of natural sciences in primary school and early secondary school. 18 experiments are described: Light and shade Shadow patterns Mirrored shadow Mirror games The spoon mirror The bent coin A magnifying glass made of water The magic wand Balloon in the
Item no.: 30836-88 Function and Applications Case with material for 6 work groups. To investigate the 18 most important soil parameters: soil profile (soil horizons, soil type), mineral matter (stone content, fine earth content, soil texture), body of humus (humus content, humus type), water/ air (soil moisture, water capacity, water permeability rate, utilisable water capacity),
Item no.: P4100160 Principle These measurements help to quickly and simply introduce the term “heat capacity”. The students learn on which characteristics temperature changes of surfaces depend. As practical example, reference can always be made here to the hot sand at the seaside. Tasks To prepare comparison curves showing the different heat capacities of water