1,668,030 views
Want a daily email of lesson plans that span all subjects and age groups?
Learn more
4,437,733 views
1,329,489 views
284,734 views
2,860,839 views
1,532,249 views
296,188 views
Science & Technology
The incredible, bendable, twistable, expandable elephant trunk
lesson duration 05:10
250,148 views
944,383 views
837,079 views
1,532,125 views
Design, Engineering & Technology
How one design flaw almost toppled a skyscraper
lesson duration 05:16
779,327 views
1,336,483 views
Social Studies
Debunking the myth of the Lost Cause: A lie embedded in American history
lesson duration 04:43
1,701,526 views
1,307,747 views
511,019 views
2,741,172 views
959,217 views
941,855 views
3,317,079 views
507,149 views
Design, Engineering & Technology
Why are airplanes slower than they used to be?
lesson duration 04:59
2,306,592 views
300,640 views
327,521 views