But we might be able to say that with a mechanical pipette that dispenses 1 cubic milliliter of water per drop, held 5 cm above the penny, at 7000 ft. elevation, on this day of the year at this time of day, in Flagstaff, Arizona, with distilled water and a 2010 penny, head side up, that the penny can hold an average of 27 drops, plus or minus 3 . 1 Color. This is a funny and easy lab to do with your students. (Kitchen counter is likely best.) endobj This is a fun lab because you can use it at so many grade levels and for so many different topics. 2. Now, think about washing dirty dishes or clothing. Pour vinegar over the pennies so that the paper towel is fully saturated. This exciting experiment illustrates transpiration, the process of plants absorbing water through their roots. 4) Detergent solution: Successfully get approximately half as many drops on a penny as compared to water (20 to 30 drops expected) 25 pts_____ Note: Award less points if use significantly fewer than 20 drops The flatter the surface, the better your data will be. Penny and the Hot Guy. Communication is an important part of science. In this activity, students will explore what affects the size of a shadow and compare the shadows of various opaque, transparent, and translucent objects. /Resources << Required fields are marked *. I explained to my son that water likes to stick together. Students will collect and record data, complete a bar graph, and a five part conclusion. 4. <> stream STEP 2: Use an eyedropper or pipette to pick up and carefully drip one drop of water at a time onto the penny. Part 1: Guess how many water drops you can fit on the front of a penny. /Type /Page Note: we are no longer located on St Bernard Av. Measure Surface Pressure to a Penny. (PREDICTION), What happens when one drop of water meets another drop? In order to do this, you will determine the number of droplets that can fit onto a penny without spilling over for each liquid. ____. Ask your child to predict how many drops he or she thinks will fit on the penny. For the Drops on a Penny lab experiment, testers use an eyedropper to drop single drops of water onto a penny, and they count how many drops can fit on the surface before spilling over. Repeat the experiment, say, three times. She strives to teach her kids through fun, interactive activities, and hopes to help others do the same. Make sure to count as you go! *Be sure to dry your penny between trials. Equity on Social. In the space to the right, draw what the penny looked like as viewed from the side before the water overflowed. In this activity, students test representative food samples for the presence of certain types of matter (nutrients). This work is licensed under aCreative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. PDF. Again, slowly add one drop at a time. Try out 10 exciting activities related to the properties of matter using our Magnetic Water Molecules Kit! Monday - Friday 2:00-5:00 p.m. Ask your child to predict how many drops he or she thinks will fit on the penny. 6 0 obj Working in teams, they design, Overview: 7th Grade Environmental Science. This lesson is the first unit of a 5 part module entitled Genetics: The Science of Heredity developed by ETA Cuisenaire. : I think a penny will hold _____ drops of water. Discussion Questions: 1 - What variables were involved? How do different soaps and detergents like hand soap or laundry detergent compare to each other? Multiple people in groups completed the drops, which could have affected the number of drops that stayed on the pennies. Mrs. Krempa #1. Use a dropper or pipette, suck up some water and carefully start dropping the water on the penny. many drops of water can fit on a penny. Jenn stood at the door of the computer lab and peered inside. Extra: try using something other than a penny to collect the drops. Students will see how many drops of water each side of a penny will hold. Penny Pantzer was short and curvaceous, but she dressed like such a nerd, with her Doctor Who T-shirts . Credit: George Retseck. Drops on a penny lesson plan (.pdf). This 5-10 minute full-body activity for young learners Overview: We are always on the hunt for simple science experiments, and this one is just super fun and easy! 2. Drop water on the HEADS side of the penny and COUNT the number of drops. /Contents 7 0 R b) Write a sentence that explains how soap affects the surface tension of water based on the results of your experiment. Rinse a penny in tap water and dry completely. . 7 0 obj 3. We use cookies to ensure that we give you the best experience on our website. Drops on a Penny Lab - Students conduct tests to see how many drops of water can fit onto a penny. What happens if you use different materials, like a small plastic bottle cap or a button? Share on LinkedIn. In this activity, you'll experience surface tension and cohesion by testing how many drops of water you can you fit on a penny. (EXPLANATION), Can you think of everyday examples of surface tension? Why can we feel gravity pull us down towards the Earth, but not sideways towards other big objects like buildings? ), Drops of Water on a Penny Surface Tension Lab, Water Drops on a Penny Digital Lab | Scientific Investigation, Scientific Method Notebook | Science Digital Bundle | Middle School, Scientific Method - Penny Lab (drops of water on a coin), Drops on a Penny - 4th Grade Lab - Variables, Controls, Hypotheses, Drops of Water on a Penny: Mini Lab- Middle School Science, Eliminating Bias in Science and Drops on a Penny Lab, How to Be a Scientist and Drops on a Penny Lab, Scientific Method: Drops on a Penny Lab PPT, Scientific Method: Drops on a Penny Lab KEYNOTE. >> 3 0 obj While youre at it, make sure to check out these other fun water science experiments. This is because plain tap water has higher surface tension, so the surface is stronger and can hold together a larger drop. << Have you ever noticed on a rainy day how water forms droplets on a window? `8OUh0On^o x/B+$BCzu8mLUbA!Nqr$\JxX+c9e-. Your class will learn how ELISA Enzyme Linked Immunoassay is a fundamental Overview: Try it. Objectives: There is a short piece of background reading within the lab to introduce students to some of the properties of water: cohesion, adhesion, and surface tension. Grab your purse, turn over the couch cushions, or break out the piggy bank; its time to find some pennies to experiment with! It is kind of like they are giving each other a hug and holding hands. I was so proud that he made this observation! Looking for easy science process information and free journal pages? A ring and disc of equal mass and diameter speed down an inclined plane. 3. STEM Library Lab fosters high-quality active learning by providing teachers and students with access to equipment and support to drive academic success. Penny Lab: Soap and Surface Tension. The independent variable is the portion of the experiment that is changed between tests. You can do this by adding soap, which is a surfactant, or material that decreases the surface tension of a liquid. endobj /Type /Pages 10-15 minutes if using only pennies and only water. Describe the cohesive and adhesive properties of water. /Pages 3 0 R Cohesion means that water likes to be close to water. 7. That is why you have a puddle on the ground when it rains, instead of a whole bunch of raindrops! << /ProcSet [ /PDF /ImageB /ImageC /ImageI ] /XObject << /Im1 7 0 R >> >> How many drops will stay on the face of a penny without spilling water off the sides? by. Fold a paper towel so that it fits inside your dish. There will be lots of tiny little holes and cracks that water needs to get into to wash away dirt and grime, like the spaces between the fibers of a shirt, or between a plate and bits of dried food. << /Type /Page /Parent 3 0 R /Resources 6 0 R /Contents 4 0 R /MediaBox [0 0 606 788] Test your hypothesis by comparing the number of drops of tap water that can fit on a penny to the number of drops of soapy water that can fit on a penny. Write at least two follow-up questions that could be tested using the penny technique. How many drops of water will a penny hold? The following topics are covered: Want to include iPads? /Count 5 5.0. grab the done-for-you project packs below, Simple Science Experiments For Kids | Little Bins for Little Hands, How many drops do you think will fit on a penny? Using the F=ma equation, they rewrite Students work in teams to design a container for an egg using provided materials. Part 1 - Drops of Water on a Penny (Adapted from www. Students observe the changes. Students will answer pre and post questions using their data. The independent variable in this experiment was the side of the penny. This is one of the most impressive demonstrations of the heat produced when a gas is rapidly compressed and is the principle behind how a diesel engine functions. Click on any of the images or menu options! In this hands-on activity, students construct a food web with yarn to learn how food chains are interconnected. Just as I was about to describe surface tension, he lost focus and squeeze a drop of water right next to the penny but on the floor. We also LOVE science and all things STEM. Have them count each drop, this is their data . In this classic demonstration, students will use differences in air pressure to force an egg into a bottle. Surface 3. STEM Library Lab is always looking for volunteers. Students are then given an Overview And by appointment. endobj 4 0 obj Rated 4.85 out of 5, based on 136 reviews, Rated 4.96 out of 5, based on 110 reviews, Water Drops on a Penny Scientific Method Lab Activity, Scientific Investigation Bundle- Lab Safety, Measurement, Scientific Method, Water Drops On A Penny Lab (Surface Tension, Cohesion, Polar vs. Non-polar), MS & HS Science Labs, Activities, STEM Challenges, & Web Quests (Growing Bundle), Back to school Water Drops on a Penny Lab | Digital Science Lab, Drops on a Penny IMF mini-lab (Make Intermolecular Forces FUN! It reduces the surface tension causing a dramatic reduction in the number of drops that will fit on the coin. In 2-3 person groups, students take the mass of assorted objects, then hang them from a spring scale to find their gravitational force. It would be interesting to see if everyone got around the same count! and I at the Reconnect 2023 Conference on June 2nd in Toronto to learn more about Values-Aligned Investing! Free drops of water on a penny experiment worksheet, Scientific Method For Kids [Free Printable Worksheets]. Completely dry the penny. Demonstrate the challenges for marine animals who get entangled in common debris with this 10 15 minute activity about marine conservation. Fun lab to do a quick review/example for following the Scientific Method. /Fcpdf1 17 0 R Record the hypothesis on the worksheet. 1. Check out our list of science experiments for Jr Scientists! In this hands-on activity, students investigate different methodsaeration and filteringfor removing pollutants from water. The independent variable in this experiment was the side of the penny. " This STEM activity incorporates the engineering design process into a life or biomedical science activity. Procedure: Put the penny on a flat surface. middleschoolscience.com) In this portion of the lab you will determine which liquid has the highest surface tension: water, soapy water, or rubbing alcohol. Compare your datat with 4 other groups. (You should be close to the penny when you drop the water - don't make a splash). Every 6 to 12 hours or so, the water along most coasts rises and falls in Overview: Not an easy prediction to make, but the victor will be clear. Ready to print! << (APPLICATION), Food coloring (makes seeing this in action MUCH easier, but is optional). Use an eyedropper to place drops of WATER on the penny (one at a time) until ANY amount of water runs over the edge of the penny. Cohesion is the stickiness of like molecules to one another. 3. Once the water has reached the edge of the penny, a dome shape begins to form. 7th Grade Environmental Science. If you continue to use this site we will assume that you are happy with it. You might be surprised considering pennies are so small! Step 1: Rinse a penny in tap water and dry completely. Students will investigate how the different variables affect the number of water drops on a penny. As a result, the water on the penny spilled onto the floor. 4. 4. Students are given a . 3 0 obj Kindergartners and first graders should be able to do this experiment with minimal help. 3 - What were the independent and dependent variables? Theres only one way to find out, Your email address will not be published. This is a great resource to do just that! Test your <>>> /Type /Catalog How can the age of a tree be determined? Extensions Perform this as a student activity, rather than just a demo. After all, a penny isnt that big, so its not obvious that a coin can hold that much water. 3. Share on Twitter. And what could that possibly have to do with washing the dishes or doing laundry? Draw water into the eyedropper by squeezing the bulb at the top, then placing the tip into your container of water and releasing it. It has to do with something called surface tension. 5. runs over the edge of the penny. Hold the medicine dropper just above the top of the penny (not touching it), so . /ProcSet 4 0 R >> I counted 35 drops of water before the water spilled over. Calculator to find Average This is about dropping water on a penny. Once the drops spills over to penny's corner, use ampere hand to all dry off which penny and surrounding emerge. Surface tension and cohesion are why you can get so many drops of water on a penny. We found 20 possible solutions for this clue. 3. Discover how many drops of water fits on a penny in this simple and easy science experiment. << If you want to learn about the surface tension of water, lets dig in. /Kids [ 6 0 R 8 0 R 10 0 R 12 0 R 14 0 R ] endobj xWn6}WLu%p71: (%V"e:CNu9#(4~['Ne@[q>I6f1F*e@;Vy^8?}U{P>AEy document.getElementById( "ak_js_4" ).setAttribute( "value", ( new Date() ).getTime() ); Overview: How does soap affect the water's surface tension? Surface tension is what makes water dome on the penny. /IMcpdf0 19 0 R Students love this hands on activity. Record the number of drops for that trial on the table below: 5. Web drops on a penny lab. _____ Part A: Perform a CONTROL test for comparison with later results. Step 2: Place the penny on paper towel. Realistically simulate blood typing without the hazards of real blood. <> For full instructions and cool projects, grab the done-for-you project packs below ! Take a Guess: How many drops of water can fit on one side of a penny? Teacher leads a demonstration with vernier carts of different/equal mass, equipped with bumpers and magnets to demonstrate a variety of scenarios in which as both carts After learning about the 1st law of motion, students partake in a teacher-led series of questions about 2 carts, and which cart will experience a greater force. endobj endobj Hong Kong. The size of an animal population becomes newsworthy when it becomes very large (too many rats in one place) or very small (on the verge of extinction). Also included in: Scientific Method Activity Lab Bundle. Is there a way to tell a good year of growth versus a bad year? Before the experiment gets underway, you may need to demonstrate how to use an eye dropper-- this is a complicated fine motor skill for some kids. << /Length 5 0 R /Filter /FlateDecode >> endobj Our science activitiesand experiments are designed with you, the parent or teacher, in mind! Want to know how to get started? /Outlines 2 0 R >> Below is our current roster of subject matter experts. /Fcpdf0 16 0 R the data and draw conclusions. Mattel, Inc. (NASDAQ:MAT) announceda forthcoming update to the Mattel Creations Virtual Collectibles Platform. document.getElementById( "ak_js_6" ).setAttribute( "value", ( new Date() ).getTime() ); 3011 N I-10 Service Rd EMetairie LA 70002504.517.3584. SIvd?GFJS:v)&HO`k'f@Cl-MwmcN~5+s Molecules in the middle of a drop of water are pulled evenly in all directions by all the nearby molecules. . Carefully . Now, repeat the experiment using soapy water. 1992 - 19953 years. In the end of the lab your students should h. Need a fun way to introduce the scientific method? endobj *Vu%`p`jx{8\,8ik; k2(Q ~9MiA{f,=8 How many did you get? You should find that plain tap water can produce a much larger, stable drop of water on top of the penny than the soapy water. /CropBox [0 0 612 792] STEP 1: Add water to both of your bowls, and one of them, add green food coloring. % Each time you do it, write down the number of drops. Drops AJ1 Dunks Get 'Em in SNKRS Jordan Heat Check Complete Your Look Latest In Jordan Clothing NikeLab Drops 101. . a. Hydrogen Overview When you ask kids how many drops of water will fit on a penny, they'll probably guess 3 or 4 drops. This team, comprised of some of the most impressive lab professionals I've ever known, always rises to the challenge. <> /BaseEncoding /MacRomanEncoding Join Nada El-Aji, CIM, M.A. document.getElementById( "ak_js_7" ).setAttribute( "value", ( new Date() ).getTime() ); Thank you for your interest in becoming a member school. Original Price $4.25. We use cookies and those of third party providers to deliver the best possible web experience and to compile statistics. Record number of drop as Trial 1 in data chart. Using a set of Food Web cards, each depicting an organism, students work in groups to model a food web for one of four ecosystems. endstream Develop a hypothesis that answers the experimental question. Have you ever noticed how, on a rainy day, water forms droplets on a window? If you ask your child how many drops of water they think will fit on a penny, they will probably respond with a low number. Be sure to hold the eyedropper straight up and down. #3. Write this statement below. 1. Mix a small amount of dish soap with your tap water. Penny Lab Answer Key - A. It is fun . What about other liquids like milk or juice? Repeat Steps 1 - 4 three more times before calculating your average. Students observe a model waterwheel to investigate the transformations of energy involved in turning the blades of a hydro-turbine. /Rotate 0 stream Nike x Social Status Air Penny 2. Major activities include investment analysis, deal structuring, portfolio management in PRC M&A/Sino-Foreign JV deals. Prove You Aren't a Robot - 'B' Countries of Asia. Were you surprised that a lot more drops of water fit on a penny than you predicted? How many drops fit on a penny? 4. /Type /Outlines may vary depending on how well you drop the water, it is best to run many trials You can use this lab when teaching scientific method (variables), chemistry (surface tension, cohesion), or to reinforce graphing and scientific testing skills. This is a great resource to do just that! (1) $2.00. xc`` 2. Now, carefully add one drop of water at a time to the top of the penny. @AbFVH.`!InzK3Zx Try this activity to learn more! % Record the hypothesis on the worksheet. JFIF AppleMark 4 - Were your results . Worksheet Drops On A Penny Lab Cohesion Water molecules are to other water molecules. (OBSERVATION), Which coin held the most water? ]bc]bmIgg~>t>rYU6OfOguh*p0QT9f)w~g; ';t2YSyB$8`8yYAYx A5)l~v[+!51oL-h0.5@XTH0|z^$;IX#"!~{ ?,KI?Z[pleE4 Web water drops on a penny introduction science process experiment 2 levels of a worksheet are included: Web Fill A Dropper With Water. Web money math worksheets counting grade dimes coins kindergarten coin learning teaching nickels pennies 2nd students . Want to include iPads? STEP 1: Add water to both of your bowls, and one of them, add green food coloring. [/PDF /Text /ImageC ] Required fields are marked *. Experimental Question: This round shape stays tall and solid because of something called surface tension. /Font << Penny Lab Answer Key - A. Monica PasosAudubon Nature InstituteBiofacts and animals, Amanda RosenzweigDelgado Community CollegeMicroscopes and microscopy, Cia BlackstockDirector of Programs at Electric GirlsElectrical engineering. Explore the immunological principle that antibodies bind to specific antigens. Students model the seasons with their Ready, Set, Go! Put the penny on it. Plus, our supplies lists usually contain only free or cheap materials you can source from home! We had 27 drops of water on ours! endstream . If you are worried about getting water on the table or the floor, you can place a paper towel underneath the penny. 1. We investigated what variables made the Penny Lab easier, button stiff. Your email address will not be published. It has to do with something called surface tension. How many drops of water can fit on a penny? Maybe 5. Place a coin on a table or desk. C Place your penny on a flat surface. 9 0 R /BitsPerComponent 8 /Filter /DCTDecode >> endobj Intermolecular Forces Lab Activity - Lab Worksheet b. I think _____ drops of isopropanol will fit on the head of the penny because _____ _____ _____ Procedure: 1. When the water spill over, stop counting. The How via Email. Crossword Clue. Using the medium pipet, drop small drops of water onto the penny (controlled variable). Adding soap lowers the surface tension of the water, so the drop becomes weaker and breaks apart sooner. Explore the surface tension of water when you try this fun penny lab with the kids. The number of drops will probably come out about the same each time. Measuring Surface Tension of Water with a Penny, Other surface tension science project ideas, Flat, level surface that can get wet, like a kitchen counter. You might be surprised considering pennies are so small! Shares on Twitter. ), Water Drops on a Penny Digital Lab | Scientific Investigation, Scientific Method - Penny Lab (drops of water on a coin), Scientific Method LAB: Water Drops on Penny (GREAT MATH & SCIENCE COMBO! ), Drops on a Penny - 4th Grade Lab - Variables, Controls, Hypotheses, Drops of Water on a Penny: Mini Lab- Middle School Science, Penny Drop Lab sheet -- Surface Tension and Claim, Evidence, Reasoning, Eliminating Bias in Science and Drops on a Penny Lab, How to Be a Scientist and Drops on a Penny Lab, Penny Drop Lab---Measuring Milliliters & Making Estimates, Scientific Method: Drops on a Penny Lab PPT, Scientific Method: Drops on a Penny Lab KEYNOTE. But first we had to know what variables were, and which variables we needed to use in the experiment. This lab has students exploring how soap affects the number of drops that fit on a penny. k#+~wc`'bK.-',AiD2?k};{i(g!^ tz= Yl-~VA,eh%}wgwlqg!M.zJ~ %nqxX~[c/uWuB@Q4 >3Fb[}L#$j#M`>|o6~\4^t-Am<7/6z>l7WV)tubA a 0vFg@g%)t|t: 1. construct a food chain and explain Overview: $+&-,*&))/5D9/2@3));P. Nike Flow 2020 iSPA SE. 3. /Differences [ 219 /Euro ] /MediaBox [0 0 612 792] With this worksheet, students will explore one of the five mechanisms of evolution: natural selection. Using a dropper slowly drop water onto a penny counting each drop. Immerse your students in this engaging 3-part laboratory activity on evolution by natural selection! Part A: Perform a CONTROL test for comparison with later results. Great activity to introduce the scientific method and graphing. The pennies placed on the paper towel. ?^fN $0]ln9i\~Ih$Nh0^mB:7}[C~os[? Fglu 'jAtkDGLSu[[[ g;ZJ_MGbDQ7NV[lSMW HF|8 Get Free Access See Review + Lesson Plan. 3. This download includes a procedure sheet and a recording sheet. The crossword clue Symbol of Hanukkah with 7 letters was last seen on the April 10, 2023. 1. Students can work in pairs to follow the Drops on a Penny Lab and learn about the different parts of the scientific method. Students change a variable to see if it affects the number of drops that fit on a penny. %PDF-1.2 Science experiments with things found in your purse or pocket? When my son and my daughter tried this experiment, we all got different results. Why does it do that instead of just spreading out evenly over the whole surface? Stop squeezing when the droplet on the coin breaks up and overflows. Why doesnt it spread out evenly over the whole surface? a) Identify the independent (manipulated) variable and the dependent (responding) variable in your experiment. Place one penny on a paper towel. 1. Web carefully observe and count the number of drops that a penny will hold so that each team member has access to the data. . By Science Buddies on June 25, 2015. Get ready to add this simple penny lab activity to your science activities this season. 2023 . The droplets should pool up on the coin, creating a big droplet of water. endstream << Step 3: Use an eye dropper to place drops of WATER on the penny (one at a time) until ANY amount of water. Stretch your way into different animal movements and poses to learn how they move, get food, and protect themselves. Analyze Was the hypothesis close? Students will identify and label parts of the scientific method on which type of water will hold more drops on a penny: soapy or plain. This lesson deepens students understanding of how and why we measure precipitation across the globe through the study of rainfall patterns caused by hurricanes. 35 Drops On A Penny Lab Worksheet Answers support worksheet from martindxmguide.blogspot.com. Questions? This drops of water on a penny science experiment will amaze your kids and teach them about surface tension. Men's Shoes. Build a Waterwheel from Recycled Materials, Battle of the Beaks: Adaptations and Niches, Repairing Broken Bones: Biomedical Engineering Design Challenge, 10 Activities To Try With the Magnetic Water Molecules Kit, Understanding Natural Selection Through Models, Modeling the Effects of an Introduced Species, Natural Selection: Antibiotic Resistance and Engineering the Fastest Fish, Butterfly Wings: Using Nature to Learn About Flight, Genetics: The Science of Heredity Modeling DNA Structure and the Process of Replication, Proper Hand Washing Can Stop the Spread of Disease, How do Antibiotics Affect Bacteria When They are Put Together. ) NU5Tp #2. Curious about the science? Record your data. << /Length 8 0 R /Type /XObject /Subtype /Image /Width 1684 /Height 2190 /ColorSpace >> Add food coloring if you have it (optional). There's only one way to find out. endobj Most science classes begin the year with an exercise on the scientific method . Part I. Overview: Set the penny on a level surface. Your students will practice important science skills while Background stream Have you ever seen butterflies fluttering around outside, gliding through the air and landing on flowers? $4.25. #1. Count the number of drops until the water spills over the edge of the penny. 2 0 obj You may print and distribute up to 200 copies of this document annually, at no charge, for personal and classroom educational use. Which one wins? Everyone knows that drops of water aren't . People knew that eating spoiled People used to think that angry gods caused disease, or that a poisonous vapor that came from rotting food or bad air caused illness. endobj . >> How does the energy content in lipids and carbohydrates differ? 5. On April 27, the platform will introduce its own peer-to-peer marketplace . Clean up any spills on the counter as needed. I think a penny will hold _____ drops of water. 6 0 obj Below are all possible answers to this clue ordered by its rank. Find the US States - No Outlines Minefield. Because water drops may vary depending on how well you drop the water, it is best to run many trials and take an average. There are also a lot of science extensions you can do to make the experiment even more interesting. Watch the drop carefully as it grows. Plan and carry out investigations: collaboratively, in a safe and ethical manner including personal impacts such as health safety, to produce data to serve as the basis Students work individually or in pairs to follow a set of instructions and construct a mini generator which powers a Christmas light. Using your own words, define surface tension. Join Nada El-Aji, CIM, M.A. Music Lyrics. Portion on Reddit. This shows inconsistent technique in creating the drops. Mrs. Krempa. The purpose of the experiment is to test the cohesion and surface . To make this drops of water on a penny science experiment even more interesting, you can try using different types of liquids to see if you end up with the same count. Class data showed that, on average, the clean penny held 10 more drops of water than the penny with soap on it. . Using actual blood typing procedures, students classify four unknown samples of the simulated Overview Measure Surface Tension with a Penny. Make sure to count the drops (dependent variable) and record the data in the data table. endobj Does the dime hold less water than the nickel because the dime has a smaller surface area? The numbers werent too far off, but they were all different nonetheless. 7 0 obj It sounds like a great indoor activity for the kiddos! Instead of being disappointed, he took the opportunity to explain to me that the water that he dropped on the floor pulled the water on the penny off since water like to stick together. Record the number of drops for that trial in the table. by: The Naruto Kid More by this author.