NATURAL KNOWLEDGE 3-4 CLASS Author: Tetyurev V.A. Year of publication: 1939-1940 Pages: 208 Additional Information: Hardcover
Natural science is a science of nature. Elements of nature - earth, water, air. It is necessary to study nature in order to know what is happening in nature and to understand how a person can transform nature with his labor and use it for the common good. After all, everything that we use in our lives - different tools, food, clothes, housing - is made from what is obtained in nature. The main advantage of the textbook is the examples of experiments and experiments. In almost every chapter there is a description and drawing of experience, which helps to improve understanding of theoretical descriptions, which are also written in simple and understandable language for the child.