Lewis and Clark National Historic Trail is approximately 4,900 miles long, extending from Pittsburgh, Pennsylvania, to the mouth of the Columbia River, near present day Astoria, Oregon. It connects 16 states. Today, visitors can follow...

Activity uses water-quality data from Rock Creek Park to illustrate elementary statistical measures of exploratory data analysis. The focus of the lesson plan is the nutrient limitation in a stream and the three measures of central...

This chapter on the Conservation Movement, from the presidency of Benjamin Harrison, through the substantial support in the presidency of Theodore Roosevelt, to the pulling back in the presidency of William Howard Taft, is from an online...

[Free Registration/Login Required] After reviewing four documents, students will consider the deeper meaning behind the bus boycott while studying the Civil Rights Movement in the United States.

Help your students think critically about the dynamic and changing nature of what it means to be a leader. Below you'll find resources that will assist and encourage your students to explore their value systems, promote positive...

After reading A Single Shard by Linda Sue Park students complete a writing assignments. The writer first completes a graphic organizer about a life-changing experience or an experience from which a lesson has been learned. The retelling...