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Bridge Inspector
Created by Argraide
Updated October 30th, 2026
At a glance
- Staff pick
- Picked by the Argraide team
- Play mode
- 📱 Solo
- Format
- 🧊 3D
- Length
- ⏱ About 20 minutes
- Subject
- Science
- Grade
- 7
- Curriculum
- Ontario
- Curriculum codes
- D2.5D2.6D2.3
About this activity
Inspect a river bridge as the town's bridge inspector: tag each member as pulled (tension) or pushed (compression), drive a loaded truck across to check every tag with stress colours, then design bridges that carry heavier trucks safely with the least material.
What students learn
- D2.3: identify the direction of the internal forces in a loaded structure (tension or compression) and how the point where the load sits changes them
- D2.5: describe how a load past a member's rating makes the structure fail, and which member gives way first
- D2.6: choose a material and a form from strength, weight and availability so a bridge carries its load safely
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