1. Science, that had arised at the dawn of human existence, is commonly interpreted as the knoweledge of the world of nature and its processes.
2. However, this definition doesn't exhaust the full meaning of science and requires much larger consideration, thus causing the expansion of knowledge both in depth and range.
3. It is generally believed that natural phenomena, the changing of the seasons, the motion of the Sun provide the basic rhythm of human existence.
4. Such regularities have always been an object of interest for scientists, and, to be able to make intelligent decisions and informed judgement on this point, they use an experiment that serves as a model for explaining and predicting changes of nature.