This is an example that makes heavy use of broadcast and duplicate to create a presentation. The topic is car physics, but it could be anything. The text sprite is duplicated and then its script is edited to make it easy to create multiple 'scenes' that are consistent in their styling. The images are copyright-free and sourced from pixabay.com. Credit follows.
First race car crash pic: https://pixabay.com/users/MichelAelbrecht-3513860/