Rubber band stretch experiment. This experiment should take 30 minutes.

Rubber band stretch experiment 0-3. Nov 5, 2024 · The spring caused more uniform motion, while the rubber band caused dampening Hooke's Law states that the more you stretch a spring, the greater the force needed to pull it. #physicsquestion #physicsteacher #acceleration #forces”. Then quickly release the tension and press the rubber band against your lips. This can form the Pulling on the rubber band at only one place means it will be attached to something at only one place. 3K Likes, 86 Comments. The spring constant, or k value, of An elastic band is stretched by hanging a series of 100g masses from it. Aug 29, 2024 · In the rubber band stretch experiment, the independent variable is the weight applied (measured in grams or Newtons), the dependent variable is the stretch of the rubber band (measured in centimeters or inches), and control variables include the type of rubber band, its initial length, and measurement conditions. Ignore the Apr 6, 2024 · This is a video aimed at pupils in KS3/4 that shows an experiment of a rubber band being stretched. 4 EXPERIMENT 5 E4 Small-Amplitude Oscillations 6 We know that the rubber band has a non-linear force-extension leads to non-ha 8 predicts that if the oscillation amplitude is small, then the nic, i. Two quantities, x and y Elastic Potential Energy Lab Introduction If you've ever been shot with a rubber band then you know it has energy in it—enough energy to smack you in the arm and cause a sting! But have you ever wondered what the relationship is between a stretched rubber band at rest and the energy it holds? We believe that, as the temperature of the water increases, the rubber band will become more elastic, and therefore it will stretch further. Question 1: The variable is the length of the rubber band. The first step was to select three rubber bands of differing lengths and widths. This fun experiment uses rubber bands and rulers to test the distance different sizes and widths of rubber bands will travel. Now carry out the reverse process. Rubber bands are unusual and fascinating objects. Have one student pull on one end of the rubber band and another student pull on the other end. Quickly stretch it and press it against your lips. One such experiment is the effect of heat on a rubber band. The type and size of rubber band and time of rubber band submerged in water will be controlled. We are now asked to investigate what extent rubber bands behave like steel springs. Materials: 12 inch section of one inch diameter PVC pipe Hacksaw Eight to ten clothespins Hot glue gun Glue Jun 13, 2025 · The procedure involves placing rubber bands in hot water to observe their stretch under constant weight and then comparing these results to rubber bands placed in ice water. While the initial loading steps removed only the slack of bands, a marked stretch behavior was observed soon. While most objects expand […] A simple knot was avoided because it would inevitably pull and stretch the rubber bands before the experiment, impacting the readings. What is the net force on the rubber band? Select the best answer. These controls help ensure reliable results in assessing the relationship between The disorder in the rubber band is described in scientific terms by its “entropy:” By definition, the entropy of the band is high when disorder is present. They can experiment with attaching bands in series and parallel to see how this affects the Jul 21, 2023 · Explore the fascinating world of energy transformation with this simple experiment in Chapter 9: Work And Energy. Emphasise the need to carry out the experiment with care and to plot the data accurately if the detail is not to be lost. Its elastic ability enables it to be stretched hundreds of times within its original length as Students can experiment a little to find the best rubber band size. Action The students hang weights from the rubber bands to determine the spring constant of the rubber bands, and how linear the stress strain relationship for the bands is. First stretch the rubber band and hold it in this position for a few seconds. The more you stretch the rubber band, the more energy it has. What do you think would happen to the rubber band stretch if you started with ice water and kept increasing the water temperature? Repeat the experiment, this time figuring out a way to start with ice water and end with near-boiling water. After each mass is added the rubber band, the video zooms in on the scale to allow pupils to read this. Question 2: The rubber band actually went 2. Methods This experiment investigated the stretching of rubber bands in an attempt to determine the conditions under which Hooke’s Law applies their action. org Jul 28, 2023 · Kids will love launching rubber bands in this fun potential energy science experiment! Does more stretch affect the distance traveled? Grab a rubber band and stretch your curiosity to discover exothermic and endothermic reactions Simple household objects are involved in this practical, which shows off a simple principle in a clear and effective way. Key findings include: 1) The rubber band undergoes considerable deformation from breaking of weak intermolecular bonds between polymer chains. The pitch of the rubber bands in your guitar depends on how thick they are, how tightly they are stretched, and the length of the vibrating section between the pencils. Purpose: To describe the stretching action of rubber bands, and explore the connection between Hooke’s Law and Young’s modulus. Equipment Apparatus Eye protection Rubber band, 0. Finally they are all lined up (Figure 1 (c)). Acquire a rubber band, preferably a large one (this is your physics instrument). GCSE Physics - Experiment to Investigate Stretching a Rubber Band Wedgwood Tutors 14. Place the large, flat part on your lips (this is your temperature sensor). Learn about elasticity, spring constants, and the limits of Hooke's Law. the time-tr Study with Quizlet and memorize flashcards containing terms like A rubber band is used to hold an object. What do you notice about its temperature? Let the rubber band relax back to its original shape. We describe an upper-division experiment in thermal physics where students measure the tension of a rubber band as a function of temperature and length, and use a Maxwell relation to nd the change in internal energy and entropy for an isothermal stretch. Different groups of pupils should test different rubber bands to show that the stretching pattern is the same for all. At the start it was quite easy to stretch the rubber band but now it becomes much more difficult to stretch. K-12 Lesson Plans: Students will receive unexpected results when a rubber band is heated and cooled. You calibrate the rubber band by hanging pennies in a cup that stretch the rubber band and measure the stretched length of the rubber band as a function of the hanging weight. This stretching causes the coils of molecules to uncoil and thus the structure becomes more ordered; this means that the entropy of the band When a force is applied to a rubber band, it stretches a certain amount. Practicals Rubber Band Stretching Summary This practical involves using masses to stretch a rubber band. In this experiment, you will detect heat flow using some of your most sensitive skin, that on your forehead or on your lips. The stretching of the rubber band is an isobaric expansion (A → B) that increases the energy but reduces the entropy (this is a property of a rubber bands due to rubber elasticity). Question 3: The shorter the rubber band, the further it traveled. The rubber band stretches until the restoring force of the rubber band exerts the necessary centripetal force on the nut to keep the nut spinning in a circular orbit. 5 cm wide (one for each participant The rubber band experiment can be modeled as a thermodynamic cycle as shown in the diagram. Dependent Variable The dependent variable is the length that the rubber band is able to stretch to after it's temperature is changed, referred to as it's elasticity. A strong rubber band may require more quarters, a weaker rubber band may require fewer quarters. rubber band at Jan 18, 2019 · The mundane act of shooting a rubber band exhibits physical phenomena that have researchers intrigued. The students should not play with the rubber bands in advance of the experiment by stretching them with their hands and fingers. This simple experiment can be performed by using weights to stretch the rubber band 2-4 times its original length, then heating it with a hair dryer. Table 1 Stretching a rubber band (original dimensions: 95 mm x 6. , When you stretch a rubber band with a pair of fingers, what is the number of forces that should be used to described the action of your hand on the rubber band? Select the number and the associated explanation. The masses are then removed one at Stretching Rubber Bands Planning Aim We have studied the effect of a stretching force on a steel spring. 8 meters; accept anything between 2. Stretch the rubber band while holding it to your lips. Thus by measuring the stretched length of the Oct 10, 2021 · LAB SHEET Lab 5 - Elasticity Hypothesis: My hypothesis is that the rubber band will stretch to a certain extent before it rips due to all of the applied force on it, or it will stretch so much that once the weights are removed it would have lost some of its elasticity and the size will be different than what it was before the weights Results: the force, which is all the hanging weights Apr 8, 2017 · Homework Statement I did an experiment on how stretching a rubber band, affects the range or distance of a projectile shot. Apr 5, 2012 · Did the rubber bands stretched to 30 cm launch farther than the other rubber bands? Did you see a linear relationship between the launch distance and stretch length when you graphed your data? Experimental Variable The experimental variable is the temperature of the tap water used inside the five plastic containers, where the elastic bands are soaked in. As the rubber is stretched they begin to untangle themselves as shown in Figure 1 (b). TikTok video from Rhett Allain (@rhettallain0): “Discover which rubber band will stretch more in this engaging physics force activity. They can serve many purposes because they behave in an odd manner that is counterintuitive. e. 0. Please use caution and the proper safety equipment when using tools and hot glue guns. Make sure that the rubber bands used are new and unstretched. Understand acceleration and forces while comparing rubber band stretches. Place your thumbs through the heavy rubber band, one on each end. The activities in Week 1 of our Awesome Summer Science Experiments series feature an assortment of exciting maker-inspired builds and experiments, from launchers and a rubber band-powered car to noisemaking fun with a rubber band guitar or simple harmonica. Wind-up toys work the same way too! When you turn the crank, the elastic clock spring coil in the toy get twisted more and more, building up the elastic potential energy. Learn how a stretched rubber band stores potential energy and converts it into kinetic energy upon release, accompanied by interesting observations and essential precautions for safe experimentation. The balloon you stretched will feel warmer. Using a high-speed camera, researchers analyzed the physics of a stretched rubber band that’s then released, gleaning new insights that could some day be useful in a range of areas, from molecular devices to satellite design. They can estimate the Young’s modulus of a band, or compare the Young’s moduli of bands with similar cross sectional area. For rubber bands that are not stretched too much, if you double the force applied, it turns out that the stretch doubles as well. 2) At larger displacements, stronger covalent bonds within polymer chains are stretched after they untangle, but recover upon It shrinks because as the molecules in the rubber become heated, they also become less aligned and contract, causing the rubber band itself to shrink. The results of the experiment imply that there is a connection between the stretch distance of a rubber band and its launch velocity. You want the rubber band to visibly stretch out when you hang the quarters from it, but not so much that it hits the bottom of the bottle. 0 mm x 0. Such behavior prompted physicist Paul Gluck to conduct a series of experiments and write about his findings. Design and carry out an experiment to test rubber bands for their elasticity. As results indicated, the elasticity of rubber increases with temperature; higher temperatures allow rubber bands to stretch more under weight. . Introduction: See full list on sciencebuddies. Note any temperature change compared with the unstretched band. An example of an experiment using a rubber band, a small plastic creme caramel pot, a piece of string and 20 old on May 3, 2025 · In this experiment, we investigate Hooke’s Law using a rubber band as our elastic material and progressively increase the applied force by adding identical coins into a hanging container. The stretch is linearly proportional to the force required to pull it. In this lesson, students will explore various aspects of their world using a Geographic Information System in order to make decisions. Every stretch and release is a loading-unloading cycle with a net release of heat. At this point the rubber changes its appearance – the surface looks rougher and whiter. Jul 1, 2024 · Hypothesis - The more weight that is applied to the rubber band, the the more it loses its energy. May 28, 2024 · Explore the science of rubber bands, delving into elasticity, tension, and force balance, with insights into environmental impacts and applications. You will stretch your rubber band to three different lengths – short stretch, medium stretch, and long stretch. Rubber band experiment An activity that shows the properties of rubber, is to quickly stretch and contract a rubber band, sensing the temperature just after the stretch, and just after the rapid contraction. Knowing that the rubber bands are made out of natural rubber, we think that they will stretch further under warmer temperatures without breaking. Exactly how much it stretches depends on the applied force and the characteristics of the rubber band. 9K subscribers Subscribe For the purpose of this experiment we will measure the ability of returning to an initial form in rubber bands. Dec 1, 2022 · Procedure Take the rubber band. (Dependent Variable) Temperature is defined as the temperature of the water that the rubber band is submerged in (Independent Variable). A total stretch (after adding six masses of 100 g each) of 20 cm to 25 cm is desirable. 1. Operation Equipment typically required (per set): Clamp and stand Large rubber band Slotted masses on hanger Ruler Pen Graph paper The rubber band is hung from the clamp stand and two points are marked on the band with the pen. But, why? Let’s try an experiment. The stretching happens when masses are added to the end of the band. The temperature of the water is the independent variable, and the length of the band is the dependent variable. We will use a rubber band because it is composed purely of rubber and its shape makes it easy to pull, versus if we were to use a solid. Hopefully this activity will lead to the conclusion that in order to stretch the rubber band, it will have to be pulled in at least two places. The thinner the rubber band, the tighter it is stretched, and the shorter the length of the vibrating section, the higher the pitch will be. At least, two types of rubber band are available; although you may ask for more if we require them. Do not do this experiment if you have a latex allergy! So why does stretching a balloon make it easier to inflate? Making do with what you can find at home. On the contrary, the loop automatically fastens the rubber band (without pulling while fastening) while loading, leading to better reliability. Controlled Variables The controlled variables in this experiment The document summarizes an experiment examining the deformation of a rubber band under an applied load up to 20 inches. There is an introduction the experiment, which aims to help pupils understand the most important ideas. Without stretching the band, hold it to your forehead or lip. Variables Dependent Apr 9, 2020 · When we pull to stretch a rubber band, energy is stored in it. Explore Hooke's Law with a rubber band experiment. This experiment should take 30 minutes. In a physics experiment, a spring and a rubber band can be compared by hanging them and adding weights to the end. The band is first of all laden by adding masses. In general, the more force that is applied, the more it stretches. Grade Level: 6th to 8th; Type: Physical Science Objective: This project determines how temperature affects the stretch of a rubber band. Upon stretching, the molecules straighten out and align along the axis of the stretch. Some could plan and investigate how the thickness of the band affects how easy it is to stretch. Stretch it out between your fingers, noticing its easy elasticity and wide range. Does the band feel cool or warm or about the same as your skin? Feb 29, 2024 · 12. From this activity they will learn about one of the unique physical properties of the polymer, rubber. This simple science experiment can be done a single person or a group. Elastic bands and balloons contain latex. The rubber stretches slowly at first, then roughly linearly, then more and more slowly as it becomes stiffer. You were able to deform a shorter rubber band more or stretch it tighter. Note: This project requires adult supervision and assistance. Question 3 Which observations, experiences, or lesson materials helped you form a hypothesis? Answer: What helped me to form the hypothesis is my knowledge on the elasticity and nature of rubber band. Dec 1, 2022 · Rubber band experiment – teacher notes Introduction Students stretch a rubber band and test the effect of heat on a stretched band. This allows students to experimen-tally check the predictions of the entropic spring model for elastomers and observe that the entropy does Jun 7, 2021 · Yes! Kids can learn a lot about potential and kinetic energy from rubber bands. This energy is called elastic potential energy. Variable list: Independent Variable Amount of stretching Dependent Variable Range or distance I created my catapults on my own and used two different rubbers bands Jan 18, 2022 · We exposed a few rubber bands to a step-wise longitudinal loading process, and the stretch response after each step of the load was measured. Directions and Data Sheet 1 Measure a 7-9 cm. What change do you notice? If you have conducted this experiment correctly, you will In this fun and easy science experiment, we're going to explore and investigate force and motion by building a rapid rubber band launcher. Specifically, the data shows a linear trend in the stretch distance (cm) and the distance the rubber band went (cm). This experiment takes a very common household item, the rubber band, and applies physical laws (Hooke’s Law and the Young’s Modulus) to them in a hands-on way. Experimenting with Flexibility One of the most important rules to remember about stretching: always warm up before stretching. Oct 8, 2025 · Rubber band cannons are a delightful blending of physics and fun, allowing you to explore the principles of elastic energy through hands-on experimentation. 85 mm) Rubber band energy science project: Investigate how the distance of stretch in a rubber band at rest relates to the distance the rubber band travels after being released. Grab a rubber band. Elasticity of the rubber band is defined as the maximum length the rubber band stretches from its initial length when weight is placed on it. If a rubber band retracts to its initial state after being stretched, we call it 100% elastic and 0% plastic. The setup of our experiment will subject a rubber band to different temperatures and use a weight to apply force, causing the rubber band to stretch. Each length of the rubber band is a “condition” of your experiment.