Welcome to the lesson 'Nature as a Source of Phenomena. Space. Time'! In this lesson, we will explore fascinating aspects of nature and understand how it becomes a source of various phenomena.

Water is a unique substance capable of dissolving many other substances. We will explore how water acts as a solvent and how it helps us access various organic substances.

Welcome to the fifth-grade natural science lessons page! On this page we will study amazing aspects of nature, such as water, soil, and their importance for life on Earth.