Look at this sea cave. It is on Lake Superior. Check out the opening in the rock. In summer, you could paddle a boat through it.
Photo Credit: earleliason/E+/Getty Images
In the Know
Thanksgiving
When Europeans first came to America, they had a hard … read more
In the Know
The Story of the Titanic
Do you know the story of the Titanic? This is … read more
In the Know
What is Static Electricity?
There are different types of electricity. One type is called … read more