



4. 



X 



5. 



X 



6. 







7. 



X 



8. 



X 



9. 







10. 



X 



11. 



3. It is necessary to use wood substitutes to protect our 



forests. 

 The United States imports wood in order to save the forests in 



this country. 

 At least 20 industries are directly dependent upon the forest for 



raw materials. 

 More than 90 percent of all forest fires are caused by human 



activities. 

 National forests are made up mainly of stands of virgin timber. 

 All timber cutting on national forests is done in such a way 



that the forest will remain productive. 

 Wildlife management is important in forest management. 

 Field tree windbreaks, once they are established, will change 



the climate of a region. 

 Ordinarily publicly owned forests have better protection and 



management than privately owned forests. 



Completion: The following sentences are given to the study group with 

 the italicized words omitted, and they are asked to insert the proper words 

 in the blank spaces. The words in italic are, of course, the proper ones for 

 completion of the sentences. 



1. Forested watersheds aid navigation by keeping channels free from silt. 



2. Next to lumber the most commonly used forest product is fuel. 



3. Oak, walnut, maple, are most commonly used as furniture woods in the 

 United States. 



4. Rosin is now used principally in the manufacture of paper, soap, and 

 varnish. 



5. Paper making is increasing the demand for wood faster than it is being 

 replaced in the older chemical industries. 



6. The principal wood-exporting countries of Europe are Sweden, the 

 Soviet Union, and Finland. 



7. Windbreaks check wind velocity for some distance to leeward. 



8. In 1620 about one-half of the land of the United States was forested; 

 today about one-third is classed as forest land although much of it is in a 

 devastated condition. 



9. The Soviet Union has the most extensive forests, having more than one- 

 fifth of the world's forests, and is the greatest wood-exporting country. 



10. Brazil is the outstanding forest country of South America. 



Multiple choice. — Underline the proper term in ( ). 



1. The main farm forests are in the (East, Middle West, Pacific North- 

 west). 



2. The farm forest crop is ranked (fourth, ninth, twentieth) among other 

 farm crops. 



3. Farm woodlands in the Great Plains are most useful for (fuel, grazing 

 areas, windbreaks). 



4. Eighty-five percent of the paper is now made from (flax, cotton, wood). 



5. The newest wood use is for (cellophane, rayon, plastics). 



6. The United States imports wood mostly for (building, furniture, 

 paper). 



1 . Most people per acre are employed in the forests of (United States, 

 Denmark, England). 



8. The use of forests for recreation is {increasing, decreasing, remaining 

 about the same). 



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