"Come along then," said Fred. "I"ve got the sponge ready. I will stand it ina saucer of water, just as teacher did.
"Now Norah shall take it out of the saucer and put it on the table.
"What have you done with the water in the saucer, Norah? It is all gone; the saucer is empty.""Bring me the sponge. Now squeeze it over the saucer.""Oh, I see," said Norah. "The water all went up into the sponge.""Yes, little girl," said Fred. "And now we will see how it got there.
"If you look at the sponge, you will find that there are little holes all over it.
