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Peppery skin. By Matin. Goal . Show that water has an invisible skin. Prediction. The pepper would sink . Materials. Bowl Water Pepper Dishwashing liquid. Steps. 1. Fill the bowl with water 2. Sprinkle pepper over the water 3. Add a drop of detergent to the middle of the bowl.
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Peppery skin By Matin
Goal • Show that water has an invisible skin
Prediction • The pepper would sink
Materials • Bowl • Water • Pepper • Dishwashing liquid
Steps • 1. Fill the bowl with water • 2. Sprinkle pepper over the water • 3. Add a drop of detergent to the middle of the bowl
Results • The pepper moved away and separated when the detergent touched the water.
Conclusion • The detergent made the pepper move.