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Testing Spacecraft Step by Step
Age 11 · Technology
Before a Moon landing, engineers test each part and move on its own flight. They check one job at a time, then join the tested pieces together.
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Age 11: open this week
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In the picture
- Round window on a lone capsule: a solo flight in orbit.
- Short joining tube between two modules: two spacecraft parts joined in space.
- Engine bell on a spacecraft near the Moon: a lunar flight check.
- Square descent stage under a small lander: a soft touchdown on the Moon.
Examples
- Bike makers test the brakes on one ride and the gears on another, then build the full bike.
- Phone makers test the camera in one model and the battery in another before selling the phone.
Key takeaways
- Testing one part at a time helps find problems before the whole spacecraft flies.
- Each flight can check one new step, so the next step is safer.
Quiz: Testing Spacecraft Step by Step (Age 11)
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Why do engineers test one part at a time before a Moon landing?
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After each spacecraft part is tested on its own, what do engineers do next?
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How does checking one new step on each flight help the Moon landing plan?
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