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5. Rivers

Rivers are formed by precipitation. Water from rain or snow or ice that melts in spring forms streams that run down the slopes of mountains. Different streams then come together to form large tributaries which arrive at rivers. The river is the receptor and carries the water to the sea, another river or a lake.
The first part of a river, which runs down steep slopes, is called the upper course. When the slope becomes less steep, the river slows and widens, and this is called the middle course. When the river slows further and becomes even wider before arriving at the sea, a lake or another river it is called the lower course.

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Working with analogies. An analogy is a comparison of similarity between two things, for example: "Feet on the human body are to human body what the base of a column is to the column." In Ethics, the capacity to put yourself in another person's place often implies analogical thinking, which facilitates moral imagination.

Complete the following analogies:

1.	A tributary is to a river what a river is to....................
2.	Streams are to rivers what puppies are to....................
3.	Meanders are to rivers what curves are to....................
4.	The upper course of a river is to that river what a person’s childhood is to....................
5.	Life is to human beings what the course of a river is to....................