1. Start with a clean penny on a paper towel. 2. Slowly use the water dropper to add drops onto the surface of the penny. The more careful you are, the better your results will be. 3. Repeat steps 1 and 2 with a penny that has been coated with dish soap. STATION 2: WATER ON PENNIES
Dec 16, 2020 · Capillary action is a principle that explains why fluids are often drawn up into other substances. This phenomenon is also sometimes described as “capillarity.” A classic example of this action involves a paper towel and a spilled puddle of water: when the towel is dipped into the water, it sucks the water up.
Hey kids! Welcome back to PBS Kids for some more songs & fun! So right now, here's Kyle and Nick who's going to tell us about the Paper Towel Chromatography!...
Cut a strip of coffee filter or paper towel about 2 inches (5 cm) wide and 6 inches (15 cm) long. Use the water-based black marker to draw a line across the width of the strip. The line should be about 1 inch (2.5 cm) up from the bottom of the strip, running parallel to the paper’s bottom edge, with a small gap between the line and the edges.