Materials for 1 – 3 work group or demonstration.

This kit allows two or three groups of children to carry out simple experiments. Teachers can also use it for demonstration. The manual describes 101 experiments on the following topics: ƒ Force/Energy ƒ Water ƒ Electric current ƒ Magnets ƒ Air and sound ƒ Light ƒ Heat ƒ Plants.

Survey of experiments: Force • What is a force? • Force and counterforce • Forces change motions • Forces at the tug-of-war ... and 10 further experiments Heat • A water thermometer • How steam ... – is made from water – will become water again • How seawater can be made drinkable ... and 9 further experiments Electricity • A simple electric circuit • Lamps side by side in parallel • Lamps one behind the other in series • Good and bad conductors ... and 4 further experiments Water • Is water a body? • Can water displace air? • Can water stand inclined? • Where does the water go? ... and 8 further experiments Energy • What is a force? • Force and counterforce • Forces change motions • Forces at the tug-of-war ... and 2 further experiments Light • Which way does the light take? • How the light can be controlled • An object in the light beam • Can light be swallowed? ... and 10 further experiments Air and sound • Is air also a body? • Air is an elastic body • How sound waves can be seen • Can the sound go round the corner? ... and 12 further experiments Plants • Plants need light • When plants sweat in the sun • Plants improve the air • Plants produce oxygen ... and 4 further experiments Magnets • Magnets have a force • Do all materials react on a magnet? • When magnets encounter • Penetrating forces ... and 5 further experiments.