Mon Prof Augmenté
Test Track Check
Age 12 · Technology
A newly assembled car is driven on a wet test track. Workers watch and use instruments to check that the brakes, steering, and other systems work without faults.
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Every lesson is open to everyone for 7 days after it is published. This one came out on October 7, 2026: its text stays readable here, and its picture opens with a subscription.
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Age 12: open this week
Browse Age 12
In the picture
- Front wheel and brake assembly: the brake system under test
- Steering wheel: the steering system being checked
- Dashboard instrument cluster: system warnings and readings
- Handheld diagnostic device: fault codes and live data
Examples
- A bicycle shop test-riding a repaired bike before handing it back.
- A phone repair shop testing touchscreen and buttons after fixing a cracked screen.
Key takeaways
- Cars are tested after assembly to find faults before sale.
- Test tracks let workers check brakes, steering, and electronics in safe, repeatable conditions.
Quiz: Test Track Check (Age 12)
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Why are cars tested after they are assembled?
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What can workers check on a test track?
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What is the handheld diagnostic device used for?
The answers, each with its explanation, are in the app. This lesson has left the free week, so its quiz is part of the subscription.
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