In this lab experience, students explore the formation of soap bubbles of various sizes, seeking to develop an understanding of the relationship between intermolecular cohesive forces and the surface tension of a liquid.
Safety:Before conducting the lab, review with the class the safety precautions on the student page. Then discuss any safety precautions that are specific to your science laboratory or classroom.
Materials Included in Kit:
Consumable: Chenille wires, 20
Dishwashing liquid, 1.2 L
Glycerin, 600 mL
Plastic wrap, 1 roll
Straws, plastic, 30
Non-Consumable: Ruler, metric, clear, 10
Additional Materials Required: Distilled or deionized water, 2 L
Beaker, 1000 mL, or bucket, 2
Graduated cylinders, 25 mL, 250 mL, and 500 mL
Scissors
Stirring rod
Stopwatch or timer
1-800-452-1261
