LABORATORY MANUAL 



OF 



A YEAR IN SCIENCE 



CHAPTER I 



MATTER 



Exercise 1. Does Gas Occupy Space? 

 Object: To determine whether air, which is a 

 gas, occupies space. 



Apparatus 



Glass tumbler 



Large glass jar 



Wide mouth bottle 



Two-hole rubber stopper 



Thistle tube 



Glass tubing 



Rubber tubing 



Clamp 



Directions: A. Fill 

 the glass jar three- 

 quarters full of water. ~ 

 Push the tumbler, 

 mouth downward, half 

 way under the sur- Fig. i. 



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