Instructional Video24:28
Curated Video

Exploring how a word's meaning can change over time

Pre-K - Higher Ed
Pupil outcome: I can explain how the meanings of words can change over time. Key learning points: - Weakening is when a word is overused and loses the strength of its meaning - Intensification is when a word acquires a stronger meaning...
Instructional Video9:01
Curated Video

How Hurricane History Has Hidden What's Coming

9th - Higher Ed
Both climate models and the laws of physics are clear: more greenhouse gasses in the atmosphere means warmer air and oceans, which means more energy for bigger, stronger hurricanes. So why haven’t we seen a clear signal from climate...
Instructional Video4:42
NASA

NASA | Hurricane Hunters

3rd - 11th
During the 2010 hurricane season, NASA deployed its piloted DC-8 and WB-57, and unmanned Global Hawk aircraft in a massive effort to collect as much data as possible, arming hurricane researchers with the information needed to predict...
Instructional Video
Crash Course

Crash Course Big History #7: Migrations and Intensification

9th - 10th
A crash course about humanity conquering the Earth. As human beings spread out across the world and populations grew, humanity reached a critical mass of innovators, and collective learning ensued. [13:41]