Materials List: Surface Tension Lab

Each group needs:

  • paper cups
    Photo shows a yellow plastic lifesaver-shaped item with a handle; a bubble sits on its circular opening.
    A bubble wand.
    copyright
    Copyright © 2004 Microsoft Corporation, One Microsoft Way, Redmond, WA 98052-6399 USA. All rights reserved.
  • liquid soap (variation idea: give different brands to different groups for students to compare)
  • bubble wand (available at discount, toy and dollar stores)
  • water
  • measuring cups
  • spoons
  • ruler
  • stopwatch
  • safety goggles or glasses for eye protection
  • Bubble Surface Tension Lab Handout, one per person
  • Why Do Liquid Jets Form Droplets? (homework), one per person
https://www.teachengineering.org/activities/view/duk_surfacetensionunit_act1