334 HELPS IN LESSON PREPARATION 



telegraph system work, page 207 ? 6. Why should all be 

 especially careful not to injure the head or back? 



CHAPTER XXI 



1. Tell why human beings in cold or temperate climates 

 need clothing. 2. Name several substances that are poor 

 conductors of heat. 3. Why are two or more thin quilts 

 warmer than one quilt of thickness equal to all the others? 

 Why is loose clothing warmer than that which is tight? 

 4. Tell why woolen is warm clothing. 5. How does cot- 

 ton-mesh clothing compare in warmth with closely woven 

 cotton? Why? 6. Why should underclothing be capable 

 of frequent and thorough cleansing? 7. Give the advan- 

 tages of and the objections to woolen underclothing. 

 8. State the advantages and disadvantages of cotton under- 

 wear. 9. Tell what is said of linen mesh. 10. State 

 the benefits of airing our underclothing at night. 11. Why 

 is it not best to wear too much clothing daytimes or to have 

 too much over us while sleeping? 12. What is said about 

 neck-scarfs? 13. Why is it unwise for parents to dress 

 their children too warmly? 14. Mention the harm of 

 wearing too heavy hats or caps. 15. Why is it unusual 

 to see bald-headed women? 16. Tell about the "Blue 

 Coat School" boys. 17. Mention several things boys 

 should do to help prevent baldness. 18. Tell how bald- 

 ness of the head usually develops, page 216. 19. Why 

 should shoe-leather be pliable? What is the advantage of 

 porous leather? 20. What is said about patent leather 

 shoes? About rubbers? 21. State the advantage of laced 

 shoes; of low, broad heels; of medium weight soles. 

 22. Tell how to relieve tender feet. 23. Why should all 

 avoid getting shoes and stockings wet? 



