128,621 Views
Want a daily email of lesson plans that span all subjects and age groups?
Learn moreSubjectsAll Subjects
filter bynone
sort bynone
2,845,971 Views
2,155,202 Views
183,294 Views
885,919 Views
2,339,573 Views
1,241,905 Views
Science & Technology
Schrödinger's cat: A thought experiment in quantum mechanics
Lesson duration 04:38
7,879,102 Views
4,779,539 Views
Science & Technology
Light seconds, light years, light centuries: How to measure extreme distances
Lesson duration 05:29
3,349,061 Views
758,870 Views
5,902,842 Views
1,467,704 Views
5,085,966 Views
638,979 Views
Literature & Language
Who speaks Wukchumni? A vanishing Native American language
Lesson duration 09:28
69,960 Views
Science & Technology
Cloudy climate change: How clouds affect Earth's temperature
Lesson duration 06:40
191,936 Views
180,871 Views
867,472 Views
2,239,977 Views
4,758,248 Views
Science & Technology
Particles and waves: The central mystery of quantum mechanics
Lesson duration 04:52
1,022,325 Views
425,616 Views
3,992,717 Views