Which is worse — drought or flooding? Neither is helpful to the environment, and both are increasing due to climate change. The 16th lesson in a series of 21 covers the average precipitation trends for two different climates within the...

How dry is it? It's so dry, the river only runs twice a week! Through an analysis of maps and discussions, pairs learn about droughts across the United States in the ninth of 12 lessons. They then read about, answer questions, analyze...

Examine everyday life during the Great Depression, as well as the effects if the Depression on American population, society, and economy. Learners write who, what, where, when, and why summaries of a person who relocated to California...