On July 26, 1943, Los Angeles was blanketed by a thick gas that stung people’s eyes and blocked out the Sun. Panicked residents believed their city had been attacked using chemical warfare. But the cloud wasn’t an act of war. It was smog. So what is this thick gray haze actually made of? And why does it affect some cities and not others? (Ted Ed 5:43)
This is a multiple choice video quiz re-formatted into a printable document that allows educators to have an easily accessible resource for printing and distribution to students. Students can use this resource while viewing the video clip, as a post-viewing assessment or as a flipped classroom homework assignment.