This girl is blowing bubbles. To blow bubbles, people dip a bubble wand in soapy water. A thin layer stretches between the sides of the wand. People blow into this layer. The layer stretches out. Bubbles form. At first, some bubbles are long and thin. But eventually, bubbles become spheres.
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Have you ever blown bubbles? How Long did the bubbles last? Did they float or fall?
Have you read other books about molecules? What did you learn?
Bubbles have the shape of a sphere. What other sphere-shaped objects can you think of?
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