Videos/Activities
I recommend students watch a video before I present the topic in class.  For some topics, I've found multiple vidoes of interest, but students don't need to watch them all.  I don't spend a lot of time lecturing, so these videos supply some background knowledge for the activities we will do in class.   I recommend all of the Amoeba Sister and Crash Course videos on Youtube.
You'll notice I have many BrainPop videos listed below.  BrainPop is a subscription website that has excellent science videos, as well as history, English, math, arts, etc.  Each video has a quiz and additional learning material associated with it.  Horizon Charter School offers a discounted subscription price.  You do not need to purchase a subscription to BrainPop, I just wanted to let you know about this great site.   Some of the videos are free to watch without a subscription.

BB - Bridges and Buildings

Bridges​
Tacoma Narrows Bridge Failure:  https://www.youtube.com/watch?v=mXTSnZgrfxM (8:47 min.)
Why Concrete needs reinforcement: https://www.youtube.com/channel/UCMOqf8ab-42UUQIdVoKwjlQ (8:10 min)

Buildings
​How Tall Buildings Tame the Wind: https://www.youtube.com/watch?v=tHMPR7flpf4 (9:33 min.)
What is a Tuned Mass Damper?:  https://www.youtube.com/watch?v=f1U4SAgy60c (9:36 min.)