Instructional Video5:25
TED-Ed

Ugly History: Witch Hunts

9th - 12th Standards
Guilty until proven innocent? A short video tackles the question of why witch hunts occur by examining the history of these purges and the tests used to identify those suspect of working with the devil.
Instructional Video12:51
Crash Course

Biology Before Darwin: Crash Course History of Science #19

9th - 12th Standards
When did biology become a proper science? Travel back in time to the evolution of natural history during part 19 in an ongoing History of Science series. Pupils discover early pioneers in the study of plants and animals, the birth of...
Instructional Video13:04
Crash Course

The Scientific Methods: Crash Course History of Science #14

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...