Place the penny (tails side up) on a flat surface. . i need to know!!! Shine Bright Like a.Penny! | STEM Activity - Science Buddies As we have seen experimentally, acid alone does not clean as well as acid and salt. Begin the experiment by placing a few pennies on a small plate. Scrub each penny for 10 seconds, then rinse it again with water and place it back into its cup. Try other materials containing small amounts of acid to see which produces the best results. A questionable aspect of this experiment is arisen with the change of the color of ammonia during the experiment. The child should be prepared to discuss why they think some solutions were more effective than others. When 1 minute has passed, rinse each cup with water until the inside of the cup and the pennies are clean (be careful not to lose your penny!). Thanks a lot Meriley. Washing the pennies in a vinegar and salt solution removes the patina from the pennies, exposing the brighter copper underneath once more. Learn how your comment data is processed. So there you go, thats how it cleaned the coins too. Well try and put up the next stage soon. Leave the coins in the liquid for 10 minutes. Update Includes Google Slides version for distance learning science experime Subjects: You should have at least five different liquids ready to pour into each individual cup, but you can always add some more for fun. Take the pennies out one at a time and, keeping track of which penny is which, rinse each one off. Wipe the penny off with a paper towel and rinse off. Therefore, acids are the best kind of liquid to use to clean coins as it easily dissolves the copper oxide that coats old coins and makes them look new and shiny again. This is what the pennies look like sitting at the bottom of the glass. Doing a simple science experiment with them now and again helps encourage them to ask questions and learn, as well as improve important life skills like communication, critical thinking, and problem solving. Hypothesis: If I put a copper penny in coca cola, soap and water,. Here is a video of when we did the first stage of this experiment which we put up on our GallyKids Youtube Channel. Wait about 5 minutes, then remove the pennies from the solution. Add the salt, and stir until the salt is completely dissolved. Here are the scientific method steps and some sample questions to help you work through it. Now, when copper reacts to oxygen, it turns dark brown to make copper oxide. So in our case, we looked at the ingredients. Use your paper and pencil to create a table like the one below. A variety of products can be used to keep your pennies looking shiny and new. of salt and a bowl, preferably metal. They each include Question, Hypothesis, #1-How many drops of water can you fit on a, #2-Which liquid can you fit the most drops of on, to hook those kiddos and get them writing up a lab report! Chemical reactions are responsible for the change in a pennys appearance over time. Cleaning Pennies Science Experiment for Kids. more information Accept. Lesson contains If youre doing this with kids, this is a good time to ask them questions about the experiment. The vinegar + salt mixture and the ketchup will have come out as the clear winners. Label this column "Cleaning Method." The next column, label "1 Minute." And label the third column "5 Minutes." Make each cell (square) of the table large enough to place your penny in it after. Place a penny in it and cover the penny with ketchup. Add the pennies. Ketchup. Compare the penny from the ketchup to the control penny. Wait for about 5-10 minutes. Was 1 minute or 5 minutes more effective in cleaning the pennies overall? Place your Control, 1 minutes penny into the Control 1 cup. We talked about the materials used for making, and the process of oxidation. Examples: Vinegar, Coke, Mustard, Mayo, Juice, Milk, Lemon Juice, etc. Your email address will not be published. If this experiment is being used for a science fair or class presentation, the young scientist has the option to either take photos of each penny with a label for which solution was used or even to bring the pennies themselves in. This is a great activity for using just exploring and giving open-ended questioning. The next day, pour the soda out of the glass, careful to leave the pennies. The pennies have become tarnished as the copper coating reacts with oxygen in the air and forms a copper oxygen compound, which makes the pennies appear brown. How to Create an Escape Room for Teaching, 50 Homeschool Science Experiments (that cost next to nothing) | Free Homeschool Deals . Begin your control experiment. Here is the science of cleaning pennies with ketchup. A teacher's notes page explains how to use, 50-IN-1 BUNDLE (Set 1 of 1) - Grades 4,5,6, What is in this '50-IN-1 BUNDLE'? Can you clearly see the date on the penny, or is it too dirty? Over time, pennies form a layer of copper oxide on the surface of the penny, which actually protects it from further corruption. She is an accomplished screenwriter, teacher and blogger. In each case, make sure the penny is completely covered by the contents of the cup. Use your paper towels to gently dry off each penny, then place it in the corresponding square of your table. Put 1 tablespoon Tabasco into each Tabasco cup. This lab activity aims to explore the concept of surface tension by examining the amount of water that can fit on the surface of a, without overflowing.The lab activity comes, , an eyedropper, and water. This website is helpful to me but,add more steps and I think it can be more helpful. Pennies are good for more than just buying penny candy. I have included 4 recording sheets to go along. Remove the pennies and rinse them with water. From Dull to Dazzling: Using Pennies to Test How pH - Science Buddies Once all of the pennies have been rinsed, use your fingers to gently scrub the pennies one at a time with your baking soda paste (keep your gloves on for this part!). Science Fair Project Ideas for Kids, Middle & High School Students, Science Bob: Cleaning Pennies With Vinegar, Steve Spangler Science: Taco Sauce Penny Cleaner, Miami Museum of Science: The pH Factor/Cleaning Pennies. The ketchup is most likely what will surprise your kids the most (and lets be honest perhaps you too!). 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Recently, we did thisCleaning Pennies Experimentand the results were surprising to my kids. You dont need any fancy gadgets or science kits. If you have chosen to do the extra second step with your kids, then you will have noticed upon your frequent checks that the coins will have turned a blue-green color after being left to air dry. What do your results tell you about the special properties of copper pennies? All pennies start out the same color beautiful and bright copper. Hypothesis: If I use 4 different products to clean pennies, adding each product to the a plastic dish (not mixing together), I predict that out of the 4 products, ketchup, fabuloso, coke, and lemon juice that lemon juice will clean a penny the best. Grab a cup of coffee, some of that chocolate youre hiding from the kids, and join me as I learn, experiment, and explore with my kiddos and hopefully inspire you a little in your journey alongside smart, quirky, creative kids, too! Just don't drink the coke afterward. Im going to use this for my science project at school but im going to do it for more then 10 minutes. Pennies rust overtime. Be sure to include one water cup as a control and one ketchup cup. Students try to figure out how many drops of water can fit on a, , and also test which types of water work best (Tap water, Salt water, Soapy water). How do they smell? What is the optimal time to leave the pennies in the cleaning solution? Once there's a working hypothesis, the experiment itself can begin. TPT empowers educators to teach at their best. You explained the science behind it perfectly. I LOVE teaching! (You may need to push the one in the catsup to get it fully submerged). As they are exposed to the environment, pennies become coated with a layer of copper-oxide, making them look tarnished (dull, brown and dirty appearance). The salt and acetic acid in vinegar do the trick. Not only will you be improving them as an individual, you will also be strengthening the bond you share together. Curious about the science? At the end students write which solution, Lab Activity" is an engaging and interactive lab, designed for high school and college biology classes. The unlikely condiment you need to be sure to include? How does time affect the cleanliness of the pennies? Salt is another compound called sodium chloride, so it contains a chemical called chlorine (like what we use in swimming pools to keep them clean). Kids will love trying their hand at the classic cleaning pennies science experiment to see if theycan use a chemical reaction to make pennies shine brightly once again. I attached a "rainbow" of, glue dots, and passed it around the room. Have you ever wondered why some pennies are shiny and some are dull? Penny cleaning science projects are a popular choice at grade school science fairs - and for good reason. First, prepare all your cups and line them up. So, the results of your kids coin cleaning experiment should be that the ketchup and the vinegar and salt mixture were the best coin cleaners. Make sure your child doesn't lick the pennies or try to eat any because ketchup is tasty. I love coming up with simple and fun learning and STEM activities for kids. 'Dry Ice Bubble, ' link: Once all the pennies are in the correct cup, use the remaining time to observe the pennies, and the contents of the cup. Conclusions - Cleaning Pennies Cleaning Pennies Home The project that I made, consisted in cleaning up old and dirty pennies. You dont have to stop after doing this once. The vinegar cleans the penny due to the acid in the vinegar. Reviewed & Fact Checked byRebecca Carlock. I'm so glad you liked it! (Or have a fun science fair project?) chemistry, kitchen science experiments, coin experiments. As an Amazon Associate I earn from qualifying purchases. If you're cleaning metals like copper or brass with lemon juice over the long term, this can react with the metals and can cause corrosion, damaging the metal. Once you have completed the process dont be afraid to go back and work through it again. Students will create a booklet or for a quicker project, just print the worksheet. And what is vinegar? Also after 10 mins none of them got cleaned but after an hour of the ketchup, it was mostly clean. What is changing? Start by placing the Ketchup, 5 minutes penny into the cup labeled Ketchup 5. All rights reserved. But what about the ketchup? Taco Sauce Penny Cleaner - Steve Spangler For this experiment, you will need dirty pennies, paper towels, 1/4 cup of white vinegar, a tsp. While copper is a beautiful metal, it is also reactive. This is one reason that the pH papers can be a helpful tool. You simply add salt to vinegar and you end up making an even more acidic concoction? Adding salt to any of the acids (lemon juice, vinegar, etc) makes this acid cleaning more effective by creating free hydrogen atoms in the solution, which increases the acid's strength. Teacher Notes: Photos and Youtube Video: 1 colour page Which one is the cleanest? And also, dont forget to Subscribe to our channel for more fun kids activities. (Check out some cool Brainpop, Generation Genius, or Flocabulary videos for extra background knowledge) Your class will then, :- Teacher directions- vocabulary cards- 5 written response questions- border and borderl, 7 Easy Science Experiments To Teach The Scientific Method Bundle, Fun Experiments with Scientific Investigation Bundle. Toasted Italian Sandwich - Food Fun Friday. Oxygen in the atmosphere has a negative charge that is attracted to the positive charge of the copper in the penny. 'Dry Ice Bubble, - Lesson 3 of 50 - Grades 4,5,6 Continue observations. Rank your solutions from which cleaned the penny the best, to which cleaned it the worst. Which one is still the dirtiest? How to Clean Sunglasses Without Scratching Them. Salt! Fill the eyedropper with water from the water beaker and carefully count the number of drops that fit on the penny until the water spills over the edge. Just click on the image to find more science fun. What is the optimal time to leave the pennies in the cleaning solution? Follow us on Facebook, Twitter or Instagramto see new experiments! i thought that this was very helpful all five of my kids did this and they got an A so yea, gunna use this for my science project at school:D, well i think this experiment was welled organized but it could have showed more steps in the process of how they started from beginning to end also it could have said how long did it sit in the liquid, did they whip it off or not, showed what color was the coin at first etc, This is a great experiment im in 7th grade my science teacher was shocked. All you'll need is soda, a cup, pennies and some time. Record this number on your data table under trial 1. Place a paper clip in each cup of vinegar and salt solution. Reproduction of material from this website without written permission is strictly prohibited. Smell), Science Fair Project For Kids: Demonstrating How Plants Help Stop Soil Erosion, 10 Great Inventors Books To Inspire Young Children, DIY Bath Bomb for Kids Fun Science Experiments For Kids, Best Books To Get Your Kids to Fall in Love With Math Teach Approved, 5 old copper pennies (these coins need to be copper for this experiment to work), 5 strips of paper (for labelling each penny), A pen and paper for jotting down the results, 5 different liquids to use to clean your pennies. Simple, any age students! Go back to the table you drew. Read this: Life Lessons from the Scientific Method.). Do you notice any changes in the appearance of the pennies? And don't worry, I give the science behind it all! If you are looking for an easy way to engage your kids with science, then why dont you try out the classic cleaning coins experiment? Here is how to set up your cleaning pennies experiment. Vinegar (or Lemon Juice) and Salt This method is the best way to clean your pennies, and it will produce a very bright orangey-copper color on your pennies. 'Fire Water Balloon, ' link: We are going to put the coins into different liquids, which of these liquids do you think will clean them? Younger kids might need a bit of help. When the penny is clean, remove it, rinse it with fresh water, and set it aside to dry. Wet a toothbrush and begin scrubbing the penny. Gently wipe off any excess solution with a paper towel. Copper oxide is blackish. Student Write-Up Template and Question Sheet: 5 colour pages You might be surprised at how well the ketchup cleaned the penny. Two student printables are included for recording and responding to the lesson. All you need is a couple of old copper coins, some different liquids and a few other tools. (we used our hands very messy business especially with the catsup but the kids thought that was fun!) (Glass Or Cup) Upside Down Water Experiment : An Amazing Science Trick! This way, you wont mix up the coins when it comes to comparing them. Will using lemon juice and salt have better results than vinegar? I know I was. Who knew learning how to clean a penny could be so much fun? They can also consider which might clean the pennies fastest. My goal is to ease the burdens of educators by offering memorable learning activities. Kids will love Groovy Lab in a Box because it contains everything they need to do experiments focused on science, technology, engineering and math (STEM). 1. Cleaning Pennies Experiment - Mess for Less Water is the worst because it is a neutral liquid, meaning that it sits smack in the middle of the pH scale. Discover the quickest ways to keep your Air Force 1s looking like they're fresh out of the box. 'Elephant's Toothpaste, - Lesson 4 of 50 - Grades 4,5,6 Compare all of the pennies to the control pennies. When experimenting with how to clean pennies, we tested a variety of items, here are some ideas: Lemon or lime juice Water Soy sauce Dish soap White vinegar Ginger ale Ketchup Salt water Hot Sauce Mustard Milk Baking soda (we did not try this, but it would be a good option to add in!) Try leaving the pennies in the solutions for different lengths of time. A hypothesis is a prediction of what is going to happen in an experiment based on knowledge that the experimenter already has. (Dont believe me? Afterwards, put one old coin in each cup. Test whether these cleaning solutions work on other types of coins. Acids vs. Bases: Cleaning Pennies Experiment - Scientific AmeriKen Write the name of each liquid on a strip of paper and put one strip beside the cup to mark it. It utilizes a lot of stuff you already have lying around your house, and does not require you to go out and buy a lot of fancy science gadgets. ), 20 Best Sensory Tables Ideas for Toddlers and Pre-Schoolers, Science Fair For Kids: The Battle of the Senses (Taste vs., solutions like ketchup and the salt and vinegar mixture, https://www.youtube.com/watch?v=WhAgQEr1LOE, Can Ketchup Clean a Penny? This is a fun and easy STEM activity that introduces the idea of oxidation and basic chemical reactions. The "Penny Cleaning Experiment" is a product that provides a fun and educational activity for children and adults alike.This product is designed to teach people how to clean old, tarnished pennies using simple household items such as vinegar and salt. The reason for this is that copper has quite the relationship with Oxygenthat isthey react to each other. In the second cup, put water mixed with dish soap. Put 1 tablespoon Ketchup into each Ketchup cup. As in ketchup, salt and vinegar are both in hot sauce. Mix one tablespoon of salt with half a cup of vinegar in a small container and stir until the salt dissolves. Could you have cleaner pennies if you just used running water? Science - Lesson 6 of 50 - Grades 4,5,6, my middle school special education classroom. This is also why the salt and vinegar mixture was a better coin cleaner than just vinegar alone. First, prepare all your cups and line them up on a counter. The following titles name the 20, /activities.Shake It! If you have older kids, you can let them pour the soda. Its a great way to get their young minds critically thinking, and also challenges them to solve problems using logic. 2. If you are in a hurry these two cups can be enough, but more solutions are better to give a full picture of what is happening. Thats great to know Aayeshi. Keep the pennies in the cup. Well, after you wash the ketchup off, that is. It appears, the salt breaks down somewhat, freeing chlorine ions into the solution. Not only will this, Use this observation handout when experimenting. As you are drying them, you'll notice that rubbing results in some of the dirt coming off the pennies. If you are doing this with older children who can write you can have them write out a grid for penny comparison. If you continue to use this website without changing your cookie settings or you click "Accept" below then you are consenting to this. method. from Science Buddies http://www.sciencebuddies.org/science-activities. Put a dollop of ketchup on a plate. These boxes are presented in partnership with Popular Mechanics so you know you'll be getting some great stuff each month. Let the pennies soak for a little bit. One option is to incorporate the use of pH paper (which measures how basic or acidic something is when the paper is dipped into a substance) to help the child further understand why some of the solutions may work better than others. Book a Science PartyHave the Science Guy visit your school! Kids are naturally curious, and as their parent or guardian, you will want to encourage that as they grow older. So we proceeded to read the other ingredients and guess what we found? Take a few minutes to examine your chosen solutions. If you dont have a camera, look closely at the color of each penny. The project above is a DEMONSTRATION. And be sure to share these additional fun learning activities with your kids! Simple science experiment that works great with any age students! This product is designed to teach people how to clean old, tarnished, using simple household items such as vinegar and salt. Science - Lesson 1 of 50 - Grades 4,5,6 Its acid! Lesson and Program Overview: 2 colour pages Once the budding scientist has a pile of pennies, he or she should choose and collect their selection of cleaning solutions. Citrus JuiceTry a variety of citrus juices to see which works best or simply let your pennies soak in lemon juice. Please enter a search term in the text box. Stir until the salt dissolves. Wait about 5 minutes, then remove the pennies from the solution. Try more solutions. Then write and draw your observations. Making an hypothesis is easy its basically asking a question! Penny lab experiment conclusion. Copper oxide is blackish. Wash your hands. The answer is pretty simple before 1982, pennies were made almost entirely from copper, and modern pennies are made of copper-plated zinc. The coins that were submerged in those cups should come out nice and shiny, while the rest are still a little dull and dirty. 'Fire Water Balloon, 25-IN-1 BUNDLE (Set 1 of 2) - Grades 4,5,6, What is in this '25-IN-1 BUNDLE'? This outlines all of the steps of scientific investigation. I have an easy science experiment for you today. Always happy to help! Students will create a booklet or for a quicker project, just print the worksheet. If you enjoyed this cleaning pennies experiment, you'll love: Wow! Vinegar and SaltMake a solution of vinegar and salt and let the pennies soak. Cleaning Penny Experiment Teaching Resources | Teachers Pay Teachers Teacher Notes: Regarding, : 1 colour page That is why old coins look, well, old and new coins are bright and shiny. Phosphoric acid breaks down the copper oxygen compound and causes a new layer of the copper to be exposed. Density Experiment With Water Watch The Floating Egg! Which penny is the cleanest, compared to its before picture? Notify me of follow-up comments by email. You are going to challenge your children to clean pennies with various kitchen condiments. In this activity you experimented with 4 different cleaning methods to determine which was the most effective at cleaning pennies. Instructions. You can only guess how highly acidic this ketchup must be! 10 very dirty pennies (the dirtier the better! It does this by using the low levels of acids that are contained naturally in vinegar and lemon juice to remove the patina (brown oxidation) on the penny. HOW TO CLEAN PENNIES| SCIENCE EXPERIMENT - YouTube document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. The lab instructions are easy to follow and provide step-by-step guidance on how to conduct the, 5-IN-1 BUNDLE (Set 1 of 10) - Grades 4,5,6, What is in this '5-IN-1 BUNDLE'? It included a shiny new coin, one blackened and covered in ver, Smart Board Lesson for Beginning Learners, Introduce your students to the process of scientific experimentation, lesson. After 10 minutes, take the coins out of the cups and lay them out on some kitchen paper but do not dry them! Quizzes with auto-grading, and real-time student data. By continuing to use the site, you agree to the use of cookies. Why did the catsup clean the coin as well as the vinegar + salt solution? Ketchup Soak your pennies in ketchup to clean them like new. Leave the control cups empty. Plus, theyll learn some cool facts about metals, the pH scale, and the Statue of Liberty. Through teaching, I have discovered that children learn in many different ways, and have seen the positive impact both STEM and Montessori toys have on children. The salt helps speed up the reaction. What Juice Cleans Pennies Best Science Fair Projects You see, copper coins are usually shiny and well, copper-colored. See a penny pick it up, all day long youll have good luck! maybe youve heard this phrase before, and maybe youve even stopped to pick up a lucky penny off the sidewalk. In this activity, were going to test a few different methods for cleaning pennies, and determine which gets our pennies the cleanest. Check the coins, then come back again in another 30 minutes and see what has happened to the coins. Again, make sure the penny is completely covered by Ketchup. Here is the full list so you can tick them off with your kids as you collect them: When it comes to what liquids you and your kids can use in this experiment, part of the fun is asking them what they think would be good to use and trying it out. Copper oxide is the dull dark color that covers old coins the older a copper coin is, the more copper oxide it has coating its surface. Repeat the process until the penny reaches the desired shininess. There is a second stage to this experiment that you can also try out while you are talking to your kids about their results from the first stage.
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