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Course: Exploratorium > Unit 2
Lesson 2: Soap Film on a Can- Introduction: Why do we see colors in oily water and soap bubbles?
- Create your soap film viewer: Materials, tools, and steps
- To do and notice: Horizontal bands of color
- What’s going on: Reflections, interference, and … a water sandwich?
- Soap Film on a Can: Complete activity guide
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What’s going on: Reflections, interference, and … a water sandwich?
This video helps you understand how light interacts with your water sandwich—ahem: soap film! Learn how reflections cancel out some colors but not others, resulting in those bands of color that stretch across the film can.
Want to join the conversation?
- Lets speculate if this was done in space, in zero gravity. Would no colors form?(11 votes)
- you know thats a good question if there was no light in space nor sound would color from bubbles appear?(3 votes)