Here’s one idea (click through for the rest):
1. Visually reinforces lessons
Hearing about what happened during World War II is one thing, but what if you could actually watch the different commercials that aired during that time or view short clips of footage that was filmed to really get a feel for what was going on during it? Need a refresher on that biology lesson or a visual on how something is pronounced? YouTube has thousands of different videos that can help give you a quick visual reminder with any and all subjects.