is only a bubble of air. Snow, as you know, is made up of small particles of
ice. If by pressure we squeeze the air out of them, we can soon bring these little
pieces of ice together. Then they freeze,
as we termit. Thatis, they stick together,
and form a solid block. It is in this way
that glaciers and rivers of ice are formed.
You can easily see this by placinga number
of small pieces of ice in a basin of water
and causing them to touch each other.
Wherever they come together they will
freeze. You can form a chain of such
pieces, and by taking hold of one you can
draw the whole chain after it. Inthis way,
chains of icebergs are sometimes formed in
the Arctic seas.

You have also, oftentimes, on cold
mornings, witnessed the wonderful work of
Jack Frost upon the window-pane. Here,
too, you can see the most beautiful crystal
forms, the most wonderful stars, and a
net-work to which the most delicate lace
is coarse indeed. Wonderful, wonderful are the works of nature!

 

SNOW CRYSTALS.

 
     

     

 

Gh we.
sh mee
WS

illoan tee , oa,

ne oy Wie