42 NATURE STUDY LESSONS FOR PRIMARY GRADES 



ent from those of the cow. [Children explain.] 

 (d) Their noses are different. [Children explain.] 



But I might be able to tell a sheep from a cow 

 without looking at one. How? (By its cry. A 

 sheep says, " Baa." A cow says, " Moo." We call 

 a sheep's cry a bleat, and the cow's a low.) When do 

 we hear the sheep bleating a great deal? (In the 

 spring when the lambs are little.) And how do the 

 lambs answer their mothers' calls ? The sheep bleat 

 also when they are hungry or thirsty. So we can tell 

 sheep and cows apart both by seeing and by hearing 

 them. The scent of the sheep is also peculiar. 



We found that the cow does a great deal for us. 

 Is the sheep also our good friend? What does it do 

 for us ? (Its wool is made into blankets for our beds, 

 warm shawls, cloaks, coats, etc.) [Children show 

 garments made of wool.] How do we get it from the 

 sheep ? (Men cut it off with great sheep shears.) 

 How often? But is it not very dirty after being worn 

 without change for a whole year? [Children tell 

 about sheep washing, which occurs a few days before 

 the shearing. If none have seen the process, the 

 teacher explains and shows pictures.] Then, when 

 their wool becomes dry, what is done ? [Children 

 who have seen sheep sheared explain how the coat is 



