The paper is mainly studied on the sunny place and the shade unit in science curriculum in elementary schools.
The effects of an illustration in the science textbook is very great in the developments of cognition and the formation of concepts.
Nev...
The paper is mainly studied on the sunny place and the shade unit in science curriculum in elementary schools.
The effects of an illustration in the science textbook is very great in the developments of cognition and the formation of concepts.
Nevertheless the color is black in the areas of sunny of the science textbook of the fifth elemantary curriculum, it is must be blue color.
Thereford this illustration must be correctly revisions in the sixth curriculum, and derived of good effects of perceptions in the children.