Mon Prof Augmenté
Orb Web Stages
Age 11 · Technology
A spider builds an orb web in steps, starting with a single thread that drifts across a gap. It then adds a three-armed support, straight spokes, and a spiral in the middle.
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Age 11: open this week
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In the picture
- A drifting bridge line: a loose silk thread carried across the gap.
- A three-armed scaffold: three silk arms joined at the center.
- A radial spoke: a straight silk thread reaching outward from the center.
- A partial spiral: fine silk crossing the spokes near the middle.
Examples
- A web strung between two fence posts.
- A web between leaves on a garden hedge.
Key takeaways
- An orb web is made from silk released by a spider.
- It is built in stages, from a first bridge line to the final spiral.
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