Sample Video 84: STEM 9: The Science Behind Explosives
50:08
Grades: K - 12

Video Description: “5..4..3..2..1…” That’s the sequence as experts at Bussen Quarry demonstrate how they safely and successfully blast the rock that is used to build America’s roads and bridges.

Unique Video ID: Sample Video-84**

**The unique Video ID can be used to quickly locate a single video in the ET collection. This search function is designed to let teachers assign students to watch a specific video and have only that video appear as a search result. Just click on Search and choose “By Video ID.” Then type in the Video ID as it appears above. Be sure to include the dash.

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