Big book "Why"

Why is the rainbow multi -colored? How does the submarine pop up? Why do plants flowers? What is a star? In this interesting, truly exciting book there are exhaustive answers to these and many other questions. The world of animals and plants, human body, space, technique... This is not all that is described here. You will find a lot of useful information and reliable scientific facts, quizzes and a description of entertaining experiments that can be carried out independently. Great illustrations perfectly complement the text of the book.