SUGGESTIONS TO TEACHERS 



FROM his own observations and experiences the author 

 ventures the following suggestions with the hope that they 



may be of assistance to teachers generally. 







I. LABORATORY EXERCISES 



1. The laboratory requirements should demand no large 

 degree of skill in manipulation of apparatus. In some of 

 the lessons, better results will be attained if the teacher 

 performs part or all of the experiments. Every exercise 

 should be so shaped that it not only challenges attention 

 to its results, but provokes inquiry concerning the mean- 

 ing of what is noted. At all times large use should be 

 made of the experiences of the pupils in order to secure a 

 comprehension of experimental phenomena and an under- 

 standing of every new requirement of the lessons. 



2. Very satisfactory results are attained where one 

 period is given over to a discussion of the requirements 

 of a laboratory exercise item by item without previous study 

 having been required of the pupils. In this way there is in 

 the class discussions a zest that comes from having some- 

 thing new, something that has not before been " studied." 

 The common experiences of pupils and what has been 

 learned in previous lessons afford ample preparation for 

 such discussions. In this way it becomes possible not 

 only to assemble and organize the knowledge possessed by 



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