I Blew Up A 24 Story Building

From Mark Rober

I Blew Up A 24 Story Building
22 min5th6thScience
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Summary

Mark goes behind the scenes of a professional building demolition to show the engineering that makes a tall building collapse straight down on purpose. Gravity and careful planning at work.

Viewer safety

Ages 7+Mild peril

A professional, planned building demolition (implosion); no people harmed. Loud and dramatic. Made for a general YouTube audience — an occasional mild or bleeped word can slip in, so preview if your classroom bar is strict.

Our rating is a quick teacher-to-teacher guide — preview before showing.

Teaching resources

Discussion questions

Talk about it

A controlled demolition weakens key supports in a planned order so gravity pulls the building straight down into its own footprint — precise engineering, not chaos.

  1. How do engineers make a building fall straight down instead of sideways?
  2. What role does gravity play once the supports are removed?
  3. Why does the order and timing of the demolition matter so much?

Quick work-a-long

Vocabulary: gravity, structure, demolition, engineering.

Try it: Stack blocks into a tower. Remove supports in different orders. Which way makes it fall straight down?