I couldn't post about tornadoes without posting about lightning!
My students and I LOVE this documentary. We learn some cool facts such as thunder is the explosion of air being heated up by the lightning.
Free if streamed through Discovery website but it only stream clips: Raging Planet: Lightning
Super Cool Highlights:
Title: Raging Planet: Season 1, Episode 1: Lightning
Run time: 45 min
Kelly Garcia teaches physics in New York City to Latino students using a humourous and hands-on approach. She manages to circumvent the boredom of test-prep with thoughtful and creative projects.