QS Summer Outdoor High Quality Outdoor Play Bubble Toy 35 ML 2 Color Bubble Stick Kids Baby Toy
Product description
Bubbles are formed due to the surface tension of water. This tension is the mutual traction force that exists inside the object and is perpendicular to the contact surface of two adjacent parts when the object is subject to tension. The attraction between water molecules on the water surface is stronger than that between water molecules and air. These water molecules are like being stuck together.
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