EXTRA, the marketplace for scientific touring exhibitions.
„The History of Zoos” covers the changes in the function of zoos in general and the different stories of zoos in Europe – from the first zoo to recent developments in zoological gardens, including species protection and environmental education.
Earth is a giant magnet or rather it behaves like a magnet from many points of view. We can show the shape of the magnetic field of the Earth with a very simple exhibit.
With a simple experiment, you can experience the real effect of the introduction of a compound of greenhouse gas in the atmosphere.
This exhibits illustrates basic aerodynamics.
In this exhibit visitors compete against each other while they experience the power of water pressure. The game is played by two persons that use waterpower to try to score goals. They move the ball with a spurt of water.
Visitors spray water on a refrigerated window and observe the formation of ice crystals though polarized veiwers. As the crystals form, they also develop beautiful color patterns.
Visitors run their fingers and other tools through sand on top of a slowly spinning disk to create relief patterns.
Visitor play with solar energy, and see how it can be used to power items.
The visitor controls the movement of a platform with two hydraulic rods. A maze is mounted on the platform.
Experience the practice of chaos theory and try to predict the motions of the waterwheel. Water pours from the waterspout into the buckets that are attached to the waterwheel.
Visitors are introduced to the physics of light, and the way light acts in different media.