In one physical sciences activity, students investigate how characteristics of liquids affect the shape of bubbles. The term surface tension is in the Words to Know section and is explained in the paragraph of background information. Students combine baby shampoo with water and tempera paint. They use straws to blow bubbles into the solution. White paper is lowered on top of the bubbles to get an image of their configuration.
Students describe their prints, especially where the bubbles meet.
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