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.
Idea Sheets are cross-referenced to subjects listed in the Common Core, Next Generation Science Standards, and California Content Standards.
- Physical Science
- Grades 3-5
- Grades 6-8