Biography of a river

Robert Hass's article "Rivers and Stories" underscores the importance of rivers in the development of civilization and the importance of reclaiming supposedly dead rivers and implementing policies that protect river health. Groups...

Interactive PowerPoints are terrific tools for self quizzing before an exam. This particular presentation is about the action and physical features of rivers. There are nine boxes to click on, each leading to a picture or map. When you...

The Medieval Islamicate World was truly a world of wonders! Clocks with gears, armillary spheres ... and robots that played music? Journey to ancient Baghdad, the center of science and math with the seventh video in a History of Science...

Will advances in technology save us from exhausting the Earth's resources? Throughout history, progress helped us revolutionize society. The video discusses the growth in collective learning, exploration, machinery, communications,...

Medieval Chinese scientists were the masters of invention! Explore the wonders of the Far East through the eighth installment in a 15-part History of Science series. The resource covers contributions to science and technology by dynasty,...

Gravity exists as both a scientific theory and a scientific law. For those struggling with the difference between scientific facts, theories, hypothesis, and laws, an informative video comes to the rescue. It offers a definition of each...

After reading Elie Wiesel's Night, watching the movie Life is Beautiful, and researching World War II, class members write a comparison essay on the book and film. This includes a prior knowledge activity, discussion in whole and small...

Explore connections within and between informational texts with this lesson plan about encyclopedia articles. Middle schoolers write encyclopedia articles focusing on topics in American history. They discuss how to determine credibility...

Young journalists write diary entries from the point of view of a person involved in a historical event. They focus on including facts, clear narration, and accurate description of the individual's feelings. 

Learners practice measurement using the Hudson River. They calculate the discharge measurement at a location on the Hudson River using ingenuity and a topographic map.