OF EDUCATION 19 



minerals it has its own forms. The dew and rain 

 drops are globes, because all the atoms are drawn 

 toward the centre. . . . 



11 This is a pleasant day, though the wind is from 

 the north and it is quite cold. There are a few stratus 

 clouds in the west, and several large cumulus clouds 

 high up in the sky. The blue sky is almost hidden 

 except along the horizon between the long stratus 

 clouds. The ground is covered with snow and ice. 

 The temperature this morning was eight above zero. 



" We had very interesting experiments this morn- 

 ing to show how much the air expands when it is 

 warmed. A flask that holds one cubic inch was 

 warmed, and we saw the bubbles of air as it was 

 forced through a long glass tube into another flask." 



John. 



" This morning it was very cloudy and misty and 

 dull, and I thought it would rain, but when I came 

 to school it was so cold that I thought it would snow, 

 and a little before recess it began to snow lightly but 

 now it is snowing hard and fast. 



' ' After recess we had a very nice experiment which 

 surprised us all. A very little of a bright red powder 

 was put into a small test tube, and the tube was 

 heated two or three minutes. The powder had been 

 separated into oxygen, which filled the tube, and 



