Why Lesson Planet?
High schoolers use the following quick activities to comprehend what surface tension is: 1. Fill a gas bottle with water. Place an uncentered burner screen over the bottle. Hold the screen in place with your finger and invert the bottle on the ring of a ring stand. Students are asked why the water does not run out. 2. Mix Joy or Dawn dish washing liquid with water in a 1 to 10 ratio.