Students see how surface tension can enable light objects (paper clips, peppercorns) to float on an island of oil in water, and subsequently sink when the surface tension of the oil/water interface is reduced by the addition of a surfactant; such as ordinary dish soap.
Teacher-Designed Project-Based Units at the Middle Level
Activity: Build-a-Battery Workshop: Explore Electrolytes - American Chemical Society
Design Step 1: Identify the Need - Activity - TeachEngineering - Worksheets Library
4 Ways to Teach Engineering Design Science Buddies Blog - Worksheets Library
Sage Academic Books - The Go-To Guide for Engineering Curricula, Grades 6–8: Choosing and Using the Best Instructional Materials for Your Students
4 The Current State of K–12 Engineering Education, Engineering in K-12 Education: Understanding the Status and Improving the Prospects
Free Virtual Education Resources from , Microsoft, and Google - TryEngineering Summer Institute
Magnetic Attraction Station Worksheet Answers - Teach Engineering
Monthly Editor's Pick - TeachEngineering
Light Your Way - Design-Build A Series Circuit Flashlight - Activity - TeachEngineering, PDF, Flashlight
Material Science Quiz Answers (pdf) - Teach Engineering
Properties of Matter Activities for Second Grade Scientists - Around the Kampfire
