Читать книгу Ontario Teachers' Manuals: Nature Study - Ontario. Department of Education - Страница 38

As to the frequency of excursions, the teacher will be the best judge. It is desirable that they occur naturally in the course of the Nature Study work as the need for them arises. One short trip each week with a single object in view is much more satisfactory than a whole afternoon each term spent in aimless wandering about the woods.