SUPPLEMENTARY MATERIALS 



145 



WHAT YOU SHOULD AIM TO ACQUIRE FROM 

 THIS STUDY 



1. The sources of the various fibers used in clothing. 



2. The types of fibers best for cold and hot weather 

 and scientific reasons for their suitability. 



3. How to identify wool, cotton, silk, or mixed goods. 



4. How to remove stains from clothing. 



TEST OF MASTERY OF THE TOPIC 



In your notebook complete the statements, answer the 

 questions, and comply with the instructions. 



1. The usual temperature of the human body is 



degrees Fahrenheit. 



2. The fiber that is the poorest conductor of heat is 



3. The fiber that conducts heat best is . 



4. The coolest clothing to wear in summer is made of 



5. Air is a ___ conductor of heat. 



6. Black clothes are than light colored clothing. 



7. is removed from the human body by evapora- 

 tion of perspiration. 



8. Linen is made from 



9. Silk is a conductor of heat. 



10. A grease spot can be removed from clothing by . 



11. Soap is made from and , 



12. Artificial silk is made from _ 



13. How would you remove an ink stain from clothing? 



14. How would you remove a blood stain from clothing? 



15. How would you test for cotton fiber in clothing? 



16. How would you test for wool in clothing? 



SUPPLEMENTARY MATERIALS 



Reading suggestions 



Kenlon, Fires and Firefighters (Doubleday) 

 Weeks, The Avoidance of Fires (Heath) 

 Crump, The Boys' Book of Firemen (Dodd) 

 Gibson, The Romance of Modern Manufacture (Lip- 



pincott) 

 Philip, Achievements of Chemical Science (Macmil- 



lan) 



White, Fuels of the Household (Whitcomb & Bar- 

 rows) 



Tappan, Diggers in the Earth (Houghton) 

 Williams, The Romance of Mining (Lippincott) 

 Carpenter, How the World Is Housed (American 



Book) 



Elliot, The Romance of Savage Life (Lippincott) 

 Tappan, Makers of Many Things (Houghton) 

 Earle, Home Life in Colonial Days (Macmillan) 

 Reisbeck, Air Conditioning (Goodheart-Willcox) 

 Broadhurst and Lerrigo, Health Horizons (Silver) 

 Worthington and Matthews, Our Clothing (Owen) 

 Greene, Coal and the Coal Mines (Houghton) 



Reports which may be prepared 



1. How coal is mined 



2. Our common fuels and how they are used 



3. How matches are made 



4. How to fight forest fires 



5. Methods of making fires 



6. Manufacture of artificial gas 



7. Advantages and disadvantages of various fuels 

 and of electricity 



8. Life and works of Sir Humphry Davy 



9. Early types of thermometers 



10. Using oil for heat in the home 



11. Using gas for heat in the home 



12. Insulating the modern home 



Great scientists you should know about 



1. Galileo 



2. Sir Humphry Davy 



Investigations and things to do 



1. Make a thermometer for your home. 



2. Survey your home for fire hazards and remove 

 them. 



3. Visit a local fire station and prepare a report 

 for class. 



4. Take care of the heating system in your own 

 home for two weeks and report on the best 

 methods employed. 



5. Investigate the regulation of the temperature 

 of the rooms of large buildings by means of 

 thermostats. 



6. Examine a gas mantle and make a diagram to 

 show how it is constructed. 



7. Make a study of how crude oil is obtained from 

 the earth and how it is refined into many prod- 

 ucts. 



8. Learn how to read a gas meter. 



9. Learn how to read an electric meter. 



10. Examine a thermos bottle and find out how it 

 keeps hot things hot and cold things cold. 



11. Learn how a coal range is constructed and 

 operated. 



