106 



WATER 



Experiment 52. The Effect of Water upon Seeds 

 and Plants. 



Apparatus: Two glasses large enough to cover a 

 small plant. 



Materials: Beans, a plant in a can or pot, two 

 pieces of cardboard 6"x6". 



a. Fill a glass one-half full of beans and then com- 

 pletely fill the glass with water. Set aside for twenty-four 

 hours and tell what happened. The beans may be dried 

 by putting them in the sun. 



b. Cut a slit in each 

 piece of cardboard from the 

 middle of one side to the 

 center. Slip the pieces 

 around the stem of the 

 plant from opposite sides 

 and press them down upon 

 the top of the flower-pot. 

 Cover the plant with the 

 glass and set it in the sun. 

 The experiment should ap- 

 pear like the illustration. 

 What collects on the glass 

 after an hour or so? 

 Where does it come from ? 

 Why were the pieces of cardboard used? 



41. Capillarity. 



The word "capillary" means "like a hair," that is., 

 very fine. Capillarity is the strange action of liquids in 



Cut supplied through United States Department of Agriculture. 



