14 FIRST YEAR COURSE IN GENERAL SCIENCE 



insoluble, find its volume by means of a measuring glass 

 (see Textbook 66). 



Name Volume Weight 



. .cu. cm.' . .g. 



RESULTS 



(Indicate the operation by which your answers are ob- 

 tained.) 



1. If 36 cu. cm. of matter weigh 72 g., what is its weight 

 per cu. cm.? 



2. Find the weight per cu. cm. of each solid used. (Do 

 the figuring on p. 4 and arrange the results in the tabular 

 form below.) 



Body Volume Weight Density 



cu. cm. g. g. per cu. cm. 



EXERCISE VII (Textbook 67) 



TO FIND THE CAPACITY OF A BOTTLE OR FLASK 

 BY WEIGHING 



APPARATUS: Balances, small bottle having a ground 

 glass stopper, a jar of water. 

 DIRECTIONS FOR WORK: 



(1) Weigh to .1 g. a dry, empty bottle with its stopper. 

 Record the number of the bottle and its weight. 



(2) Hold the bottle in a jar of water until it is filled, and 

 while it is under water, insert the stopper firmly. Wipe the 

 outside, weigh again, and record. 



Weight of empty bottle No g. 



Weight of bottle full of water g. 



