xxii ANALYTICAL TABLE OF CONTENTS. 



II. INFLUENCE OF DIFFERENT AIMS (Continued) PAGE 



C. Of development of intellectual power as a aim. 



3. Relative value for individual work of plants, ani- 



mals, minerals, physics. 



4. Development of power mainly dependent on method 



of study. 



D. Of acquisition of knowledge as an aim 303 



1. Knowledge of what material most helpful in other 



school-work. 



a. Life sciences best prepare for literature. 

 6. Plants and animals best for free individual 

 expressive work. 



c. Physics and chemistry most exact and best 



correlate with arithmetic. 



d. Knowledge most helpful in geography. 



1'. Of "earth forces," air, water, heat. 



2'. Of " earth-materials," common min- 

 erals, rocks, and soil. 



3'. Of ''earth inhabitants," particularly 

 plants and animals of economic im- 

 portance. 



2. Knowledge of what material most helpful in sub- 



sequent science work. 



a. Importance of material which is typical and 

 of phenomena which best illustrate prin- 

 ciples. 



6. Importance of sequence in study of material. 



c. Importance of beginning and ending with 

 wholes and of relating parts to wholes. 



3. Knowledge of what material of greatest practical 



value in life? 

 a. Utilitarian considerations have most weight 



in later school-years. 

 6. Practical value of physics and chemistry and 



of economic aspects of plant, animal, and 



mineral study. 



III. INFLUENCE OF PSYCHOLOGICAL PRINCIPLES ON SELECTION 



AND SEQUENCE OF MATERIAL 311 



A. Dependence of children on sense-perception and apper- 



ception 312 



1. Concrete material plants, animals, minerals 



better for young children. 



2. Forces physics reserved for older pupils. 



3. Greater value of most common things. 



B. Lack of permanence in interests and acquisitions of young 



children 314 



1. Need of variety with young children. 



2. Intensive study with older pupils. 



3. Necessity for studying same topics again and again. 



