Diapers, cookies, perfume: just a few examples by means of which we show you how often chemistry plays a role in everyday life. We also put your senses to the test. Can you distinguish between artificial and natural colors, materials and aromas? Give it a try. A highlight of the floor: The "Periodic table of elements" contains 103 elements. What do chemical elements look like under a microscope? What are they used for? Who discovered them and what properties do they typically exhibit?