Susie.

"Do you know," said Uncle Robert, "there are places all over the United
States where such records are kept? They are published, and I am to have
them sent to me every week."

"I wonder if ours will be like them," said Donald, turning over the
pages of his notebook.

"Even if they should be different." said Uncle Robert, "they may be just
as true."

"We'll get up early and start the shadow stick the first thing in the
morning," said Frank, "so as to have it ready by noon."

"How do you know when it is noon?" asked Uncle Robert.

"We look at the clock," said Susie.

"But noon by the clock is not always noon by the sun," replied Uncle
Robert.

"How can that be?" asked Donald.

"It is noon somewhere on the globe every minute of the twenty-four
hours," said Uncle Robert. "The sun is always setting and always rising
somewhere."

The children were puzzled.