20 NATURE STUDY LESSONS FOR PRIMARY GRADES 



that horses can pull so much? (They are very 

 strong, much stronger than men.) Do they often 

 appear unwilling to do such heavy work? Do they 

 work very long at a time? (Nearly all day, often.) 

 After you have worked a little while you become 

 tired and stop to rest. Do horses ever need to rest? 

 Can they stop whenever they wish? Why not? Do 

 masters think about their horses becoming tired? 

 (Kind masters do.) The children have probably 

 noticed horses with heavy loads being stopped on the 

 road that they might rest. Is there any danger of 

 putting on too heavy loads? Children have no doubt 

 noticed that sometimes horses have more than they 

 can well draw. How do the horses show that the 

 load is too heavy? (By trying very hard to pull it.) 

 Must they draw the too heavy load? (Yes, unless 

 the master is kind enough to take some of it off.) 

 Why does not the horse refuse to draw such a load? 

 His master would whip him and make him do it. 

 What do you think of treating horses in that way? 

 Sometimes horses refuse to try hard to pull a load. 

 Have you ever seen horses refusing to go? What do 

 we call this? (Balking.) Have you noticed the size 

 of the horses that are kept for heavy work? (They 

 are very large and have strong, heavy legs.) What 



