This worksheet can be a stand alone, 1 day sub plan lesson for your Agriculture Welding or Mechanics class, or used as an intro to my Properties of Metals, 3-4 day sub plan found here. These two resources are also offered in a bundle. This worksheet DOES NOT include questions for the whole, 43 minute video for each of the Modern Marvel episodes, it only includes the parts I found the most important and what fits into about a 45 minute class. When I gave this to my substitute they had no proble