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Instructional Video1:23
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ouLearn

The Principle of Comparative Advantage

For Students 11th - 12th Standards
In the fourth episode of 60-second video clips on economics, you will review the principle of comparative advantage with your learners, explaining the benefits of international free trade as countries specialize and export their...
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Instructional Video4:42
TED-Ed

The Real Story Behind Archimedes' Eureka!

For Teachers 6th - 12th Standards
Can a boat the size of a palace possibly float? Discover how a king and a famous Ancient Greek mathematician named Archimedes answered this question, and explore the history behind Archimedes' principle and how a law of physics that is...
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Instructional Video5:16
TED-Ed

Einstein's Miracle Year

For Students 7th - 12th Standards
Why was Albert Einstein initially labeled as a "failed" academic, and what events occurred in 1905 that constituted a major turning point for this great scientist? Review Einstein's major theories regarding relativity, light particles,...