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RAFT Idea
Bed of Nails
The old "Bed-of-Nails" trick is a great attention-getter, but it is really not a trick at all. Rather, it is a demonstration of force distribution and pressure. In this miniature, "safety" version, students can investigate the decrease in pressure on their skin with the increase of contact points.
Grades Covered: 4 through 8
Subjects Covered: Physical Science
Curriculum topics:
- Forces
- Pressure
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Bed of Nails Image Gallery