Fourth graders compare and contrast life in England with plantation life in America. They study the dependencies or mini-industries that could be found on plantations.

Students investigate communication techniques using variations in the tone of the voice, facial expressions, and gestures. The image of Helen Keller which appears on the reverse side of the Alabama quarter forms the basis of the lesson's...

Students describe alternative theories for how the first humans came to the Americas, and explain evidence that supports or contradicts these theories. They examine the role of skepticism in scientific inquiries.