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Instructional Video13:04
Crash Course

The Scientific Methods: Crash Course History of Science #14

For Students 9th - 12th Standards
How do we know what we know? Examine the asker of this, and many other questions, during the 14th installment in a 15-part History of Science video series. The narrator explains the important contributions made by Galileo, Bacon, and...
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Instructional Video12:35
Crash Course

The New Astronomy: Crash Course History of Science #13

For Students 9th - 12th Standards
Sword duels, religious unrest, war—who says science is boring? Aspiring astronomers discover fascinating facts about the famous scientists that dared challenge the accepted model of the solar system in the 13th video of a 16-part History...