Entertaining sciences. Weitkene L. D.

In front of you is an entertaining encyclopedia about sciences. She will tell that astronomy, chemistry, physics, biology, geography are studying, how these sciences have changed the world and with what achievements we encounter in everyday life. Planets and other celestial bodies, atoms and molecules, elements and substances, the laws of nature and the simplest mechanisms, cells, tissues, organs and organisms, lithosphere, atmosphere, hydrosphere are also said about all this in school, but the encyclopedia gives information available, accessible. Figuratively, fun, introduces the additional material, which is useful to become a real wise guy. Interesting articles, schemes, graphs, illustrations will help not only to do homework faster and better, but also to get pleasure from reading. Distract from the Internet, open the book - and the laurels of the excellent student are guaranteed to you!