Students investigate the parts of a tree, measure its circumference and the length and width of its longest branch. The data is compiled and placed into a bar graph.

It's all about money. Here's a resource that introduces kids to the Federal Reserve System, different coins produced by the mints, and fun facts about state coins.

Learners participate in an activity to discover how a bill becomes law in California. In groups, they create a school program based on their own ideas for change. They develop and conduct a survey within their community and present their...

Students review census data and examine the manner in which reapportionment and redistricting occurs. They, in groups, debate a proposed change in the way congressional districts are drawn and present their debates to the class.