Volcano Erupting with Pyroclastic Flows
The deadliest thing to come out of a volcano isn't the lava - it's a pyroclastic flow. A fast moving current of hot gas, ash and rock, pyroclastic flows can move up to 700 km/h (435 mi/hr), destroying everything in its path.
Learn more about volcanoes: • All About Volcanoes for Children: Int...
![Cosmic Clouds: Exploring Nebulae for Children : Astronomy for Kids - FreeSchool [NEW/IMPROVED]](https://images.videosashka.com/watch/ZrvAQeOMLyI)
![Cosmic Clouds: Exploring Nebulae for Children : Astronomy for Kids - FreeSchool [NEW/IMPROVED]](https://images.videosashka.com/watch/Q_s96r8sBa0)
