A demonstration where dish soap on a q-tip, spreads over the surface of milk causing swirling of the food color added to the milk. The demonstration asks students to observe, predict, and explain what is being shown in the experiment. [1:07]

Concepts

physical properties, properties of matter, surface tension

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Additional Tags

science demonstration, physical and chemical

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Classroom Considerations

• Knovation Readability Score: 1 (1 low difficulty, 5 high difficulty)