1. Coming to America The Story of the Land Bridge Crossing How, when, and why did people first come to the American continent?

2. Liquid water became SOLID ice during the Ice Age which caused the ocean floor to be exposed in some parts

3. They walked across the land where water used to be

4. Animals became smaller as food became more and more scarce.

8. People didn’t stop in North America… They continued all the way down to the very tip of South America, too.