Curated OER
So Many Inventions!
Learners listen to a teacher read aloud of two books about Chinese inventions. They examine some items that were invented by Chinese inventors such as dominoes, an abacus, a silk scarf, or kite. Next, they determine how a compass works...
National Energy Education Development Project
Exploring Hydropower
In 2006, about 20 percent of the world's electricity was generated from hydroelectric power. In the presentation, scholars review the water cycle and gravitational energy to begin to understand how humans harness the power of water. They...