





Kicked a ball, and that swept.
Then the boy left on a green clearing and again kicked a ball.
As you think, where the ball swept further on an asphalt path or on a clearing Value of knowledge.
Expansion of a circle of the tasks available to thinking of the child, is connected with assimilation by it all of new and new knowledge.
Really, it is impossible to solve a problem, for example, about tea for hunters, without knowing that snow when heating turns into water, or a task about distance on which the ball swept, without knowing that on a smooth surface movement is made easier, than on the rough.
Knowledge acquisition is an indispensable condition of development of thinking of children.
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