22 WHY WE STUDY SCIENCE 



how the graph is constructed. It is important to learn 

 the making and understanding of simple graphs, as a 

 knowledge of this kind should be part of the equipment 





Observe that the graph represents the same temperatures that the thermometer 



readings show. 



of every well-informed boy and girl to-day. Last of 

 all, and perhaps most important, we need enthusiasm for 

 our 'work. Success along any line requires attention, 

 thought, and interest. Interest is valuable in school work 



