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
Curriculum Topics: Forces, Pressure


Idea Sheets are cross-referenced to subjects listed in the Common Core, Next Generation Science Standards, and California Content Standards.

Categories include:
  • Physical Science
  • Grades 3-5
  • Grades 6-8
  • Science
Tags: Matter, Forces & Motion
Subjects covered: ["Physical Science"]