http://mwrightsclassroom.weebly.com/uploads/2/1/7/9/21790730/1_-_water_olympics.pdf WebSep 30, 2008 · Independent variable: This is the one you're changing in the experiment, so it's the type of solution that you're dropping on the penny. Dependent variable: This is the one that you're measuring....

How many drops of rubbing alcohol (70%) will sit on a …

WebLearners initially test to see how many drops of liquid (water, rubbing alcohol, and vegetable oil) can fit on a penny. They then generate their own hypotheses to explain the results and design experiments to test these hypotheses. Learners can actually conduct their experiments as time allows. This activity is a good opportunity to discuss ... crypto exchanges available in usa

Surface Tension: Liquids Stick Together - Stanford University

WebJan 9, 2024 · This is a reasonable hypothesis, and one that is also easily tested, for example, by counting the number of drops needed to fill a small graduated cylinder to the 5 ml mark. These are not the only explanations student groups may come up with, but they are the most common ones we've experienced. WebMason demonstrates a simple science experiment that anyone can do at home. Just use a dropper and count the number of water drops will stay on a penny before... WebAnswer: XD when i was a child i used to do this . So all you have to do is take a penny and drop some water on it and it will stay up as a water hat of penny. It looks something like this! Water molecules attract each other and tend to stick together. This cohesion property results in surface... crypto exchanges available in canada