Evening Republican, Volume 59, Number 70, Rensselaer, Jasper County, 24 March 1917 — When Water Boils. [ARTICLE]

When Water Boils.

Put some water in a test tube or glass flask, without any stopper in it. When boiling remove from the fire, insert a cork and turn it upside down, and by this time the boiling will cease. Then place a*wet sponge on the upturned bottom ofcthe flask and you will see the water begin to boli again.