How many drops of h20 can fit on a penny
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.... Web2. With a dropper, penny and cup of water, count how many drops of water can fit on the penny. Remember to aim for even drops, close to the penny but don’t let the dropper tip touch the penny. Repeat this 3 times – make sure you thoroughly dry the penny between each trial. Find the average number of drops of water you can fit on the penny. 3.
How many drops of h20 can fit on a penny
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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. http://mwrightsclassroom.weebly.com/uploads/2/1/7/9/21790730/1_-_water_olympics.pdf
WebFeb 13, 2024 · Our hypothesis was 8 drops of water can fit on the penny. We thought only 8 drops of water because a penny is small and we didn't think so much water would would fit on a penny,however; we were wrong. In this lab we experienced cohesion and surface tension. Surface tension allowed attraction between water molecules making them stick … WebHold your dropper about ½ inch above the penny at a steep angle and slowly add drops of water to the surface of the penny until it overflows--count this as any time the water goes off of the edge. 4. Record the number of drops of water the surface of the penny can hold in the table on the next page under the column labeled “Run 1.” 5.
WebBefore you begin, members of your lab group should predict how many drops you can place on the surface of a penny before it overflows and calculate your group’: Table 1. Number of Drops Predicted. person #1 person #2 person #3 person #4 Total Average To Do. Drop water from the dropper onto a dry penny, keeping careful count of each drop. 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 ...
WebJul 21, 2024 · It has to do with something called surface tension. In this activity, you’ll experience surface tension and cohesion by testing how many drops of water you can you …
Web3. Use a clean eyedropper or pipette to draw water and, carefully, drop individual drops of water onto the flat surface of the penny. 4. Keep track of the water drops as you add … darlington amplifier schematicWebobservation. penny- dry, clean, copper, textures are different on either side. question. how many drops of water can fit on a penny with different surfacces. research. definition of … darlington amplifierWebJun 25, 2015 · Now carefully add one drop of water at a time to the top of the penny. Hold the medicine dropper just above the top of the penny (not touching it) so each new drop … darlington and district football leagueWebStep 1: Rinse a penny in tap water and dry completely. Step 2: Place the penny on paper towel. Step 3: Use an eye dropper to place drops of WATER on the penny (one at a time) … bismarck to hawaii flightWebACETONE: Drops on a Penny Lab 2.1K views 2 years ago Hey! How many drops of acetone can you put on the heads side of a shiny penny? Count the drops for each of the three trials to... bismarck to great fallsWebHow many drops of H20 can fit on a penny? Rubric Code: Q8CWBC. By MercadoNYC Ready to use Public Rubric Subject: Science Type: Handout Grade Levels: K-5 Desktop Mobile. … bismarck to jamestown nd milesWebJan 9, 2024 · The answer is no. Using drops on a penny provides only an indirect comparison of surface tensions at best. It could be argued that something else entirely … darlington and durham fire service