Paper towels were invented by Arthur Scott in Philadelphia, USA, in around 1900. Check out our quiz-page with tests about: Martyn Shuttleworth (Sep 21, 2008). Each section should contain exactly ¼ of a cup of water. Now take the next brand of paper towel and do steps 3 – 9. So, as you might have seen in your experiment, the fluffy, name brand paper towels tend to work best for cleaning up liquids. From the data collected in this experiment, Bounty is the most absorbent brand of paper towels. has thousands of articles about every Take 1 paper towel from brand A and roll lengthwise so its diameter can fit in the graduated cylinder. 1. If you look at paper towel under a microscope you will also see that there are spaces between the fibers – and those will hold water too. Independent Variable: Brand of paper towel, Controlled Variable: Size of paper towel square. Repeat this process until your paper towel can no longer hold anymore water. To clean it up, you go grab some paper towels. 10. Log in here for access. 3. They need to decide if their hypothesis was supported by the data or not (NOTE: scientists never say their hypothesis was ‘true’ or ‘false’ but only whether the result of their experiment supported the hypothesis or not). Measure how much water remains in the beaker. first two years of college and save thousands off your degree. eval(ez_write_tag([[300,250],'explorable_com-box-4','ezslot_3',260,'0','0']));In every store, big or small, there are numerous brands of paper towels available, each claiming to be the best, the most absorbent or the cheapest. Once you are finished, calculate the average amount of water left for the 3 trials of each brand of paper towel. Subtract how much water remaining in the beaker from 100ml. In her spare time she loves reading and traveling. study Relate the cost to how absorbent the brand was and that should help you select what to buy in the future. Log in or sign up to add this lesson to a Custom Course. The following two tabs change content below. To take this one step further, take a look at how much each roll of paper towel cost and try to calculate the cost of one “test strip” for each. Paper Towel Absorbency Experiment. She has taught high school Biology and Physics for 8 years. Repeat 5 times for each brand and note the results in your data table. We'll not only see which ones will be best to clean up spills, but also understand how they work through scientific properties of water. Here we are going to show you how to conduct an experiment to test one of these claims: the absorbency of paper towels. We believe brand A will be the most absorbent, brand B then next absorbent and brand C the least absorbent because ….. 2. 8. '', Create an account to start this course today. To learn more, visit our Earning Credit Page. 's' : ''}}. 7. 4. Want the full version to study at home, take to school or just scribble on? You can tell when the paper towel is maxed out because the water will pool on the table and no longer soak in. When it has completely soaked in, add another drop. For the event, students use various provided materials to design and conduct an experiment on a specific topic. Paper towel is made of plant fibers. Lay all paper towels on top of each other and use scissors to trim so they are all the same size (this way you’re testing how the absorbency of the towels differ and size isn’t a variable). If you have a microscope, put a piece of paper towel under it for your children to look at. Fold and insert into the water. Services. 4. - Science Fair Project, Which Laundry Detergent Works Best? Paper towels are often made from post consumer recycled paper fiber, requiring fewer trees being cut down and using up to 50% less energy. © copyright 2003-2020 Visit the Science Experiments & Projects page to learn more. Yes, the results were that dramatic. 5. - Science Project, Are Fingerprint Patterns Inherited? The average amount of water (over the 3 trials) left in the cylinder is the dependent variable and the bar should be drawn to this height. Oh no! Perhaps you could design an experiment to rate the strength and softness, or try and calculate how much each towel costs per sheet. This, as we know, is not very scientific - there are no figures, no proof and little truth. These fibers are made of cellulose, long chains of sugar molecules linked together. Meryl homeschooled her 4 children and during that time started teaching at the local homeschool co-op. This project has received funding from the, Select from one of the other courses available,, Creative Commons-License Attribution 4.0 International (CC BY 4.0), How to Conduct Science Experiments - A Guide. - Science Project, Which Candle Burns the Fastest? We believe brand A will be the most absorbent, brand B then next absorbent and brand C the least absorbent because ….. Anyone can earn Just adapt to make it work with the equipment you are using. {{courseNav.course.mDynamicIntFields.lessonCount}} lessons When the paper towel comes in contact with water, the water molecules attach to the cellulose, which is what allows the paper towel to hold the water. Our goal is to answer the research question: ''Which brand of paper towels has the greatest absorbency? Either dispose of paper towel in a waste bin OR place in pie pan and throw them all away at once when you finish, 8. - Science Fair Project, Magnetic Linear Accelerator Science Fair Project, Which Battery Lasts the Longest? I recorded the data in a table to keep my data organized and it made my data easier to graph. Get the unbiased info you need to find the right school. That's because there is more space in between the cellulose fibers, allowing the paper towel to hold more water. Download electronic versions: After 20 seconds, remove the towel from the beaker and squeeze as much water as you can out of the towel in to the graduated cylinder using the funnel. You can use it freely (with some kind of link), and we're also okay with people reprinting in publications like books, blogs, newsletters, course-material, papers, wikipedia and presentations (with clear attribution). Find more fun things for kids of all ages there. 4. 5. Sciences, Culinary Arts and Personal 6. Price, softness, availability, number of sheets on a roll, and strength are all important factors when buying a roll of kitchen towel. Here is a step by step walkthrough of the experiment. flashcard set{{course.flashcardSetCoun > 1 ? When a consumer buys paper towels, they are not just looking for absorbency. We have all seen advertisements where two brands of paper towels are compared by observing how quickly or thoroughly they suck up a mysterious blue liquid or by wiping up some muddy footprints from their kitchen floor. Cellulose attracts water. This will tell you how much water the paper towel absorbed. European Union's Horizon 2020 research and innovation programme. Get access risk-free for 30 days, Paper towel manufacturers spend millions of dollars every year but, with a few simple experiments, you can find out which brands truly are the best. This will allow you to show which brand of paper towel is the most absorbent and which is truly awful. She still teaches there - as well as online at FundaFunda Academy. Like Explorable? Take a sheet of the first brand of towel. You will need 3 pieces of each brand. Make a note of the volume extracted; Repeat 5 times for each brand and note the results in your data table. 9. What factors contributed to paper towel absorbency. Retrieved Oct 29, 2020 from What about if the paper towels are made from recycled materials? Dismiss. Each replicate was designed to determined how much water both brands of paper towel absorbed. To unlock this lesson you must be a Member. Write down the results for each brand in your notebook. Whether you are an academic novice, or you simply want to brush up your skills, this book will take your academic writing skills to the next level. Draw a bar graph of the average of the tests for each brand of paper towel. No problem, save it as a course and come back to it later. courses that prepare you to earn It will look something like this: The independent variable in this experiment is the brand of paper towel i.e. Make a note of the volume extracted. (Note: we use metric measurements as that is standard in the scientific community). And your children can see a practical use for science! Start by cutting your paper towels into three inch square pieces. Hold the towel in water for 10 seconds, then lift it up out of the cylinder and allow to drip into the cylinder for 5 seconds. Don't have time for it all now? Now that you have the data, and the graph, students can reach a conclusion. {{courseNav.course.topics.length}} chapters | - Science Fair Project, Does Chewing Gum Help You Concentrate? Allow the paper towel to absorb the water. Record the volume of water remaining in the cylinder and subtract from the original 30ml to see how much water the towel absorbed. Do you want to see if the expensive brand is really worth it? This means you're free to copy, share and adapt any parts (or all) of the text in the article, as long as you give appropriate credit and provide a link/reference to this page. What evidence helped you decide? The independent variable is always on the X-axis. If you're having trouble deciding what brands to test, try to think of things that set the brands apart. As you dip the towel into the water, start your stopwatch. and career path that can help you find the school that's right for you. Then, average your number of drops for the three trials and record this number in your data table. Fill the graduated cylinder with lukewarm tap water to a volume of 30ml. You notice your family got the store brand instead of a brand name. That is it. - Science Fair Project, Biological and Biomedical As you struggle and use half the roll of paper towels for one soda, you wonder if it would have been worth the money to get the more expensive brand. This post is part of the DIY Summer Camp Activities series. Oh no! I than made a bar graph to show the amount of water absorbed by each paper towel in each experiment. Stocking Stuffers for Homeschool Families, FundaFunda’s Online High School Geography Class for homeschoolers, Playing Your Way Around the USA: US Geography Games for Kids, 3 (or more) different brands of paper towel (Note how much they cost), graduated cylinder (if you don’t have one use a skinny glass and measure the water you pour in and what is left using a measuring jug), aluminum pies dish or a tray to prevent a mess .