SNOW, ICE AND FROST 175 



completed by filling the blank spaces with the right 

 words. This work makes an excellent test of the pupil's 

 grasp of the lesson story. 



OPENING TALK 



Question the pupils as to what happens to the rain in 

 winter. Will they mention all the forms named in the 

 title of this lesson? 



Review^ rapidly the work of the rain as given in the 

 last two lessons, in preparation for this story of its work 

 in the form of snow, ice and frost. 



