142 A GERMAN SCIENCE READER. 



XXXI. WASSERSTOFF. 



i. geraten in das . . . , present the most vivid glow. 2. darf . . . , 

 there must be no previous mixing of. 3. zu Versuchen,/0r experiments. 



XXXII. KOHLENSTOFF. 



i. Herstellung, manufacture. 2. statt dessen, instead of this. 3. 

 iricht . . .,not something- else. 4. ergiebt sich, it is evident. 5. ver- 

 schiedenartiges, different. 6. unter Luftabschluss, with the air ex- 

 cluded. 7. weissen Zucker, of white sugar. 8. Versetzen wir, if we 

 dilute. 



XXXIII. DER SCHWEFEL. 



i. fangt Feuer, takes fire. 2. vereinigt ...,// unites with the oxygen 

 of the air, forming an oxide of sulphur. 3. Streichholzer, matches. 4. 

 betreffenden Metalle, metals in question. 



XXXIV. VERWENDUNG DER STEINKOHLE. 



i. Sitze, seats. 2. Ackerbau treiben, engage in agriculture. 3. Ge- 

 treidebau . . . , cultivation of grain and stock-raising. 



XXXV. ALBUMIN. 



i. je . . besitzen, it may possess according to its origin. 2. die be- 

 dingen, which condition (or determine). 3. dergleichen gewonnen, 

 obtained from . . . and similar substances. 4. Es lasst sich aufloseii, 

 it can be dissolved. 5. je . . . ein, with a facility depending upon the greater 

 or less concentration. 6. entsprechend, proportionately. 7. zu . . . kaim, 

 to which, according to what has preceded, it can give occasion. 



XXXVI. DAS SCHWEISSEN VON ElSEN UND STAHL. 



i. dass so formt, by so forming. 2. Zweck, purpose of. 3. kommt 

 zu stehen, is, or costs. 4. zu Pulver zerfallener, pulverized. 5. 

 moglichst fein, as fine as possible. 6. das . . . Schweissmittel, the 

 flux most worthy of commendation. 



