WebWhat I learned from performing this lab: I learned that the detergent weakens the water bonds and the surface tension. This causes the amount of water drops to decrease. By smearing detergent on the surface of the penny, you are loosening all of the bonds. Lab 3: Properties if Water: Adhesion Questions: Describe what happens with the first string. WebShow Notes: Dollar Store Science with Lewis “The Penny Experiment” You need: About 30 dirty/dark pennies 3 clear cups Water Dish soap 1/2 cup …
Drops of Water on a Penny {Awesome Science!}
Web5 old copper pennies (these coins need to be copper for this experiment to work) 5 paper cups. Tweezers. 5 strips of paper (for labelling each penny) Some kitchen paper or paper towels. A pen and paper for jotting down the results. 5 different liquids to use to clean your pennies. When it comes to what liquids you and your kids can use in this ... WebDescription. Students love to collect and bring in a dirty penny for this science experiment. Students discover which cleaning solution works best to clean it and why using the … isbcpss
Water Drops on a Penny - Flinn Sci
WebDetergent solution Penny (1 part liquid dishwashing detergent: 1 part water) Dropper Rubbing alcohol Paper towels (2) Tap water 1. Place a penny heads up on a paper towel on your lab table. Be sure the penny is flat. 2. Make a data table for recording your data. If time allows, plan on doing several trials with each liquid and averaging the ... WebFeb 13, 2024 · Surface tension formed the bump around the penny when the water molecules were attracting to each other. On part B, when soap was added to water the molecules didn't attract as much because it wasn't cohesion anymore. Then, the bump around the penny wasn't strong or big enough. 2.) How do your results compare to the … Webdroplets will fit on the penny because it has the highest surface tension as compared to soapy water and rubbing alcohol. For soapy water it depends on the soap concentration. Procedure: 1. Fill a dropper with water. 2. Place the penny, heads up, on top of a paper towel. Make sure it is on heads--using tails sacred heart ice hockey d3