Scibio.ru Website Review

In order to live and work, a person must create his own means of subsistence: food, clothing, housing, etc. Nature does not give him anything that man needs for life. A man cannot wait for favors from nature, he must take them from her himself. For the production of livelihoods people created various instruments of production. At first such tools were a simple stick and a stone; then stone and metal tools appeared - axes, knives, shovels, etc., and, finally, modern machines. While extracting the means of subsistence and acting on nature, people learned natural phenomena, and thus the natural sciences gradually emerged: physics, chemistry, astronomy, botany, zoology, etc. Studying natural phenomena, science established that they all happen not by chance, and naturally, in close connection with one another. The fall of bodies, for example, occurs as a result of their attraction by the Earth, the change of seasons on Earth is as*ociated with the movement of the Earth around the Sun, the movement of air — the wind — is caused by its uneven heating, etc. The purpose of the nature sciences is to discover laws and