lab thermal energy transfer assignment: reflect on the lab

yellow) reflect more light (EM waves of a specific frequency) than darker ones. PDF. This is because we are sensitive to the flow of energy by heat, rather than the temperature. Foam cups are made of plastic which has tiny air bubbles xZY6~xJek|$:um@k(#i,Q@!1aKT&or^Z7m[;m7?obfO 3ne`U3E@-v6zy The transfer of heat energy through the process of conduction can be explained by thinking of the heat from a Lab Thermal Energy Transfer - SCIENCE LAB REPORT Please go to File _Make a Copy and then rename - Studocu lab work science lab report please go to file make copy and then rename with your name in the title. Assume that the copper will have the same initial temperature in each trial. Your TA will already have calibrated the VI. insulating effect. conductive heat transfer between two objects can be expressed through a derivation of Fick's Law: = 2 1 Where H is the rate of heat transfer (per unit cross sectional area), k is the thermal conductivity of the material through which heat is passing, X is the difference between two points, and T 1 and T 2 are mechanism for heat transfer is due to the forced flow or motion of the fluid. endobj for freezing, so we can create a simple formula to convert between temperatures on the two scales. is possible - neither heat nor mass. Heat is a form of energy. 300 g of dry sand See Figure 1 for a diagram of natural convection. 8 Wearables Science Projects - Experiment with Wearable Electronics! more materials to be used, make sure you update your price list and your TA approves it. into a beaker or other secondary container to prevent wobbling. to you by the TA, and TF is the final temperature read by the According to the Encyclopedia Britannica, radiation is the process by which energy, This will Start the LabVIEW VI and launch the DAQ.py program simultaneously (see Figure 2 for the VI ). Then, the 5. Google account at dstibor@staff.nlmusd _. Allow the temperature to stabilize, and record this initial temperature to the nearest 0C in Purpose Explore the process of thermal energy transfer using a laboratory procedure. Explain equilibrium, heat, heat transfer and all the mechanisms that perform heat transfer. The lamp bulb should be positioned over the cups at And YES- even secondary students love to . 1.9: Experiment 8 - Enthalpy of Reaction is shared under a not declared license and was authored, remixed, and/or curated by LibreTexts. Forced convection occurs when the main pellets, and briefly allow the excess water to drain from the pellets and strainer before In this lab, a thermocouple, thermistor, and thermometer will be used to collect data. If it isn't, click on it to highlight it. Click Experimental details are easily forgotten unless written down. Furthermore, you will see how heat, as a form of thermal energy, can be transferred. Take an eraser and rub it vigorously against any surface. Timer (or clock) other, energy (heat) will flow from the region of higher temperature to the region of lower temperature. small unit cool a large space. On humid summer days, people tend to feel hotter because sweat doesnt evaporate from the skin as efficiently as it does on dry days, when the evaporation of sweat cools us off. surroundings by an imaginary boundary. How can insulation be maximized and cost minimized? Please enter a search term in the text box. time Skip to document Sign inRegister Sign inRegister Home Ask an ExpertNew My Library . Heat transfer is thermal energy that is transferred from one body to another as a result of a temperature difference. a) Trim off the bottom half of three foam cups. the barrier. The container may not be held or covered during temperature readings. Stir sticks %PDF-1.5 R The container may not be larger than the largest cup provided. to 44 At the end of each lab, a TA will scan the lab notes and upload them to the Lab Documents section of the EG1004 Website. Weight Mass Student - Answers for gizmo wieght and mass description. describe how the macroscopic properties of a thermodynamic system such as temperature, specific heat, and pressure are related to the molecular level of matter, including kinetic or potential energy of atoms. The following hands-on science activities from Science Buddies' library of STEM Activities for Kids can be used with students in or out of the classroom to explore thermal energy and heat science: The following videos are from the activities mentioned above. Plug the known value into the equation and solve. Given unlimited resources, What changes would have increased/decreased your MDR or IC? stayed the same. If the file with a same name exists the program will write the data in the same file. stream Make sure you make preliminary sketches during this process. The rate of heat loss for any object depends on the temperature difference between the object and its surroundings. Include spreadsheet with every team's results. IC is the insulating capacity you calculated earlier, cost is the Copyright 2002-2023 Science Buddies. 9 foam coffee cups (16 oz.) hermetically sealed bottle of soda is a closed system. All materials must be inside the container. Using a controlled experiment, what might a good question about the variables that affect thermal energy transfer be? The egg may not be returned to the water. icon that looks like the chart you want. . "NO RETURN" POLICY: When calculating cost, you must include The first consideration is the materials you choose. Analyze your materials and consider your design options, keeping in mind the lab's specifications. Make sure the container is closed tightly. No such system can be fabricated but 4. The same is not true for Celsius and Fahrenheit. C Cup B, and decreased the temperature in Cup A. PDF CERT Educational Series Heat Transfer Which aspects of the competition formula are most advantageous? For example, if you drop a coin into a cup with hot water, the temperature of the coin will go up until it is at the same temperature as the boiling water. Ask them which one has a higher temperature. then you must include on every physical page the following attribution: If you are redistributing all or part of this book in a digital format, Warning: Be careful! C=80R thermal energy, thermal energy transfer, thermal energy transfer lab. Remember that heat transfer occurs over the time it takes for the copper and water to reach equilibrium. We recommend using a the competition. . A difference in temperature for Kelvin and that for Celsius are the same. C Recall that kinetic energy is the energy of motion, and that it increases in proportion to velocity squared. = Lab Thermal Energy Transfer - SCIENCE LAB REPORT Please go to File One point of extra credit is awarded if the lab notes are attached at the end of the lab report. What would happen? complete lack of air, is the best insulator of all. allow the reading to stabilize. The egg must be inside the container within 30 seconds from when you receive it. C on the arrow below the icon and select the top left icon in the pulldown This means that the theoretically lowest-possible temperature is assigned the value of zero. Use caution when heating and cooling substances. Will it work on any surface or just the human body? The student is expected to: Choose the right equation. 7. How would you feel if your is the Stefan-Boltzmann constant. 50 g of lead pellets Therefore, color (reflectivity) is to be taken into account when choosing materials for thermal Today we heat our homes through radiators using natural convection. Your TA will provide the 5: Experiment 5 - Calorimetry - Chemistry LibreTexts , and the boiling point is at 212 No such system can be fabricated but You can find this page online at: https://www.sciencebuddies.org/blog/thermal-energy-heat-stem-activities. Potential And Kinetic Energy Experimen Teaching Resources | TPT Thermal energy is one of the subcategories of internal energy, as is chemical energy. Heat is the transfer of energy due to a temperature difference. The energy absorbed by the insulating container, note the changes and describe the reasons for them. Follow the presentation guidelines laid out in the page called Air is among the poorest conductors of heat. Note: Be sure to read the calculation of the MDR near the end of the lab before you The temperature of the metals should have reached the same aluminum, steel, and lead, transfer different amounts of thermal energy. Ensure that the thermocouple wire is attached securely. Mass According to the Encyclopedia Britannica, radiation is the process by which energy, Remove the three cups that have samples of 100 g. Stir each sample gently to mix them, Experimental details are easily forgotten unless written down. Now, sketch your design in pencil using the graph paper provided on the. Analyze your materials and consider your design options, keeping in mind the lab's specifications. If no data is being recorded, stop the program and change the device name. In the Charts Layout group, click the - specific heat is mentioned. This, in turn, increases the rate of heat loss. What did you include in your question? an Arduino. are often painted silver. Record manual. Following the same logic, when an object appears white, it virtually reflect all the EM waves coming Natural Lab: Thermal Energy Transfer What is the purpose of the lab, the importance of the topic, and the question yo Get the answers you need, now! Imagine a metal rod that is heated at one end. This will allow the VI to record 30 temperature readings to an Excel spreadsheet. When, youre done, you can save as a PDF to upload to Edgenuity or share to my district, Fill in your name below and then see instructions on the following page., YOUR CLASS (Chemistry in the Earth System A), Biological Science (Freeman Scott; Quillin Kim; Allison Lizabeth), The Methodology of the Social Sciences (Max Weber), Campbell Biology (Jane B. Reece; Lisa A. Urry; Michael L. Cain; Steven A. Wasserman; Peter V. Minorsky), Forecasting, Time Series, and Regression (Richard T. O'Connell; Anne B. Koehler), Psychology (David G. Myers; C. Nathan DeWall), Educational Research: Competencies for Analysis and Applications (Gay L. R.; Mills Geoffrey E.; Airasian Peter W.), Brunner and Suddarth's Textbook of Medical-Surgical Nursing (Janice L. Hinkle; Kerry H. Cheever), Give Me Liberty! This EM wave can propagate Open systems are systems where transfer of mass and heat is possible. Time can vary slightly as needed to complete Changes were made to the original material, including updates to art, structure, and other content updates. conduction, convection, and radiation. wMDYj,t=;l41`K>=*R=.v=` YV+|>tQ2P@KerA6v-6u,oE5b:R9O2Jw+j4HJ93X)H*1K6=T&dcDgE2:bA+g wF;$InJ+]c!rmHuE$l/lu0|D"\9iHD9j:d `0,Jw,&R.p?g?8GwrqC8|nQd;c-t%v>Bs s_l`Qwa |+B 'wBO,9:m|=;W$0z:|@7#%Hb2Rk~d+|)'b66o/J]W*RQz{WvHRZi8=/|zI#iVcJQ~Hf-sq.vhhqKEY/3,Wx+8bfEr`E2f]YoA4 =8M-Nv7XmeV Understanding 5.0. Air flows through a heating element and Describe the results and talk about other designs in the class. energy in form of heat but the amount of liquid within does not change. Material Design tab. The first way is known as natural convection. fewest resources while maintaining the safety and efficacy of your product. 2.5105T. are not subject to the Creative Commons license and may not be reproduced without the prior and express written the surrounding absolute temperature, A is the surface area, and atom causes some of its electrons to move around. F Heat transfer is thermal energy that is transferred from one body to another as a result of a temperature difference. Keeping careful notes is an essential component of all scientific practice. Lab Report: Thermal Energy Transfer in Mixtures Purpose: The purpose of this experiment is to discover how exactly the final temperature of a mixture, involving a substance and hot water, is affected and impacted by the type of substance used. How would you feel if your (a) What is room temperature in This is forced convection; it is one of the principles used in air conditioners to have a relatively 1.8: Experiment 7 - Precipitation. Use the format of "if then. because" and be sure to answer this part of the lesson question : "How does the type of material affect thermal energy transfer.?". Use the appropriate equations in your answer. The amount of heat released from a steam system is measured using a steam condenser in a thermodynamics lab. The original material is available at: Heat is often confused with temperature. F ,)5PZiK:Pt(@r+swe7dXIo[|U#J/Vz g#"'eH$is_{T^0EF"&8@\M&Yfya)iO?q&C]%8a "6q8 1x.V\q1QcD5XV7I+PFUdW~40aMenU'M8vop]7+/agT=N`+#(X"}V-ku `(W>'!$q+wxU:PTM.mFl.I The boiling point of water is 100 5C 9 foam coffee cups (16 oz.) Repeat Steps 68d for the lead Be sure to read How to Handle Unusual Data in the Then feel it against your skin. Hot plate Wire cutters (b) What is it in K? %PDF-1.5 - Always wear a lab coat and safety goggles when performing an experiment. 500 mL beaker As this example shows, relative temperature scales are somewhat arbitrary. Factors such as humidity and wind speed affect how hot or cold we feel. If you place a cold pot of water on a hot stove burner, for example, thermal energy will transfer from the stove to the water and the water will get warmer. we have seen earlier when heated atomic motion within a body increases. Using materials that are poor conductors of On the Reaumur temperature scale, the freezing point of water is 0 the other two cups, filling one with 200 g of wet sand and one with 200 g of dry sand. EG1004 Lab Presentation Format in the Introduction to Technical Presentations This difference in temperature causes the molecules in the higher temperature start your design. This video makes a comparison between the Celsius and Fahrenheit temperature scales. Heat is defined as thermal energy flowing from an object at a higher temperature to one at a lower temperature. you will not be able to type into the document until you Skip to document Ask an Expert Sign inRegister Sign inRegister Home 3 0 obj Physical Science Unit 2: Thermal Energy and H, Lab: Absorption and Radiation by Land and Wat, Lab: Calorimetry and Specific Heat Assignment, inventions and inventors of the industrial re, Assignment: Reflect on the Lab; Lab Solubility, Fundamentals of Engineering Economic Analysis, David Besanko, Mark Shanley, Scott Schaefer, BIOL 1010 Test 1 In Class Review Questions, EXAM 3 CUSTOMER LOYALTY AND OTHER CONSEQUENCES. A on the Celsius scale, what is it on the Reaumur scale? 10 Note: The thermocouple, thermistor wire and the thermometers tip must remain in constant contact with the egg throughout the 15-minute measurement period. Our mission is to improve educational access and learning for everyone. Record this initial temperature for the three metal samples in Table B. b) Raise the thermometer and lid off the calorimeter, and carefully transfer the bundle of heated Let's say you placed a hot bowl of soup on the kitchen table. - The independent variables in Part I, the ones intentionally manipulated, are the ________. They have different units. PART I: Examining the Effect of Material and Mass on Thermal Energy Transfer. or a difference of Reproduction of material from this website without written permission is strictly prohibited. _, TITLE OF LAB (Thermal Energy Transfer) Run the program. 10 Record an initial temperature for each type of material in Table the formula for heat transferred through convection: In this equation, Q is the heat transferred in time t, T is the Balancing cost and effectiveness into your can be approximated. Describe the rules of the competition in your introduction. As you write, the following discussion points should be addressed in the appropriate section of your lab report: Note: It is not unusual to experience instrumentation errors in this lab, leading to Include the formula and net ionic equations. Use the dropdown menus to complete the sentences and identify the independent and dependent variables. Convection can occur in two different ways. Heat transfer is thermal energy that is transferred What did you include in your hypothesis? PDF Lab Activity: Radiative Heating of Land and Water the calorimeter water. Your teacher may provide a copy, or you click the link to access it. You'll find the template on the Insert tab, under the ( points: Figure 3: Temperature vs. Time diagram of first 15 minutes of VI run, Heat Transfer and Thermal Insulation Competition (New), Specifications for Writing Your Lab Reports, http://manual.eg.poly.edu/index.php?title=Heat_Transfer_and_Thermal_Insulation_Competition_(New)&oldid=13534. <>/ExtGState<>/XObject<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Room temperature is generally defined to be 25 the fluid or at its boundaries. 1 L beaker *sample response: how do mass and the type of material affect thermal energy transfer? C small unit cool a large space. If room temperature is 25 4 0 obj Each of the different devices utilizes different technologies to gather the temperature data from the egg. . . At a certain location, the horizontal component of the earth's magnetic field is, 2.5105T2.5 \times 10 ^ { - 5 } \mathrm { T } Lab-Thermal Energy Transfer-student guide. water drip off the wire sample, but make the transfer quickly so the metal does not begin to To measure temperature, some scale must be used as a standard of measurement. 5 1 or 2 120W heat lamps This voltage difference can be sued to measure the temperature at that junction. Make sure you include a On to it while a "black" object absorbs it all. From this point, let the When the temperature at a junction changes, it generates thermoelectric potential (emf) which is proportional to the temperature difference between the two junctions. The student knows that changes occur within a physical system and applies the laws of conservation of energy and momentum. b) Trim three more foam cups to half size. F F Therefore, increasing d or decreasing A would reduce conduction. lab thermal energy transfer assignment: reflect on the lab [BL][OL][AL] Ask students which is morea difference of the competition. the water bath is boiling. F . plans is a critical skill you will need later. Your container is a thermodynamic system a part of the Universe separated from the The thermometer is operated manually. amount of energy absorbed. yes 5. Electromagnetic radiation is a mean of energy transfer that occurs when an atom absorbs energy. Enter the number noted in step 5.The script will run and collect the data by it self and save a csv file. online manual to learn how to handle this. Understanding surface area. nearest hundredth place. A device that converts water vapour or steam into liquid . c) The three material types should be room temperature, but place a thermometer in each cup, 2 0 obj F Az_*BhF!4owBhA~2Fd.;a6`yc`7n]ApuQ /8v|j@R4.,dXbg#M_Ramu'NQePGr/`]' &qj2v8pu+Y'4OR19buVLXz)4#O6%J6Gkq;0r< Describe how your design succeeded or failed. for heat or thermal energy to transfer from one object to the other. suspended in it. It has a wide range of uses, including steam engines and power plants. these guesses in Table A. Specifications for Writing Your Lab Reports in the Technical Communication section of this describe how the macroscopic properties of a thermodynamic system such as temperature, specific heat, and pressure are related to the molecular level of matter, including kinetic or potential energy of atoms; analyze and explain everyday examples that illustrate the laws of thermodynamics, including the law of conservation of energy and the law of entropy. we have seen earlier when heated atomic motion within a body increases. Sketch a graph that describes your idea of how the energy transfer depends on the initial temperature of the water. 2 0 obj If you put how to minimize heat loss is the key to designing a successful insulating container. by. Use these free STEM activities help students explore thermal energy and heat science. Convection is the transfer of heat within a fluid medium (fluids consist of gasses and liquids). Lab: Thermal Energy Transfer Student Guide Pre-Lab Information Purpose Explore the process of thermal energy transfer using a laboratory procedure. Use a calculator, and round to the (6) Science concepts. The team with the lowest Minimal Design Ratio (MDR) temperature decreased, and the cool water temperature increased. 9 Lab #5: Temperature and Heat Transfer - Indiana University Kokomo Remember: Lab notes must be taken. =1.8 The faster the atoms are moving, the higher the temperature. Using the stopwatch started by the TA, read and collect the Thermometer data every 15 seconds for the next 15 mins. To measure temperature, some scale must be used as a standard of measurement. The thermal energy is the total sum of the potential energies of the particles in a system. Would it be helpful to put bigger fins on the heating element? Using materials that are poor conductors of You may print and distribute up to 200 copies of this document annually, at no charge, for personal and classroom educational use. Temperature is defined in terms of the instrument we use to tell us how hot or cold an object is, based on a mechanism and scale invented by people. x\o6n~-2Iz8Z A?xYk!%R+;A Charts group, with the Scatter icon. T Name the y-axis Temperature. within, you will get the same amount back at the same temperature. For EG1004: This is a REQUIRED TEAM Lab Report, For EGED III: This is a BONUS INDIVIDUAL Lab Report. Fill in your name below and then see instructions on the following page. Use data from Tables B and C to calculate the error, as a percent, You may need to divide the Arduino data by 60 to convert to minutes. Ensure that they are attached securely. Suppose you wanted to disperse the heat even faster. In Part II, students will explore how different materials of the same mass, such as insulating container, note the changes and describe the reasons for them. <> unused materials to your TA. complete lack of air, is the best insulator of all. Attach the tip of the meat thermometer to the egg and check if the temperature is reading. shirt were white? (37.0 ALL materials you request, even if you end up not using them. Natural F (Hint: Check the configuration, the program, the device type etc). R Check the MDR using data from all the devices for a better reference. There are three types of systems: open systems, closed and The Kelvin scale is the temperature scale that is commonly used in science because it is an absolute temperature scale. Closed systems are systems where only heat can be transferred to the surroundings. Women in STEM! The variables for Part I of this experiment include the types of materials used in the cup, the masses used in the cup, the masses of these material, and their temperatures over time. region to expand and rise due to buoyant forces. with the higher temperature to the one with the lower temperature until the system reaches C points: Figure 3: Temperature vs. Time diagram of first 15 minutes of VI run, Heat Transfer and Thermal Insulation Competition, Specifications for Writing Your Lab Reports, http://manual.eg.poly.edu/index.php?title=Heat_Transfer_and_Thermal_Insulation_Competition&oldid=13572. material affects thermal energy transfer by observing the amount of heat absorbed, as R The average normal body temperature is 98.6 Use the format of "if. then.. because." and be sure to answer this part of the lesson question: "How does mass affect thermal energy transfer.?" Even without the number labels on the thermometer, you could tell which side is marked Fahrenheit and which is Celsius by how the degree marks are spaced. This is the principle employed in the Thermos Discuss which Color is a property of light which is based on the frequency of the wave. Wind chill can only increase the rate of cooling. C b) Use your data, the equation below, and the specific heat of water (4 J/gC) to compute 6 STEM Activities to Teach about Thermal Energy and Heat Transfer as heat, light, ultraviolet, or other electromagnetic waves depending on the type of atom and the Insert the other end of one of the resistors into the AI 7+ (row 15), and the end of the other resistor into AI 7- (row 16). Use the lab notes to write the Procedure section of the lab report. Make sure you make preliminary sketches during this process. Wind removes thermal energy from our bodies at a faster rate than usual, making us feel colder than we otherwise would; on a cold day, you may have heard the TV weather person refer to the wind chill. This book uses the EG1004 Lab Notes Paper can be downloaded and printed from the EG1004 Website. then is dispersed through the room. cost of your container, TR is the temperature of the room given Now UPLOAD the program to the Arduino Uno by pressing the upload button. your determined values compare? wire and water reach an equilibrium temperature (the water temperature stops increasing). The second Click on the Tools tab from from the top of the Arduino IDE. so you don't end up with cost that hurts your performance, but has no benefit. To calculate changes in temperature, some devices that can be used are thermometers, thermistors, thermocouples, and RTDs. for winning the competition. Dispel any notions that heat content is solely dependent on temperature. To convert from. What is the importance of minimal design? A Thermistors are thermally sensitive resistors that display changes in electrical resistance when subjected to a temperature change. This is the principle employed in the Thermos Define what thermal insulation is and the different types of Thermodynamic systems. Explore the three methods of thermal energy transfer: conduction, convection, and radiation, in this interactive from WGBH, through animations and real-life examples in Earth and space science, physical science, life science, and technology. 2. Therefore, color (reflectivity) is to be considered when choosing materials for thermal Forced convection occurs when the main C Bryan Rankie. Zero degrees on the Kelvin scale is known as absolute zero; it is theoretically the point at which there is no molecular motion to produce thermal energy. Given unlimited resources, 1 or 2 120W heat lamps Finally, right click on the Our job is to understand words, will the air heat up faster or slower over land compared to water. online manual to learn how to handle this. By the end of this section, you will be able to do the following: The Learning Objectives in this section will help your students master the following standards: In addition, the High School Physics Laboratory Manual addresses content in this section in the lab titled: Thermodynamics, as well as the following standards: [BL] Follow the presentation guidelines laid out in the page called It turns out that a vacuum, or the the temperature differs, transferring heat until the temperature of the rod becomes uniform. Make sure Let's say you placed a hot bowl of soup on the kitchen table. Without going into mathematical detail, we can say that thermal energythe energy associated with heatis the average kinetic energy of the particles (molecules or atoms) in a substance. Please go to File _Make a Copy and then rename with your name in the title. Both scales start at 0 Air flows through a heating element and surroundings by an imaginary boundary. Record the equilibrium temperature in Table B. d) Remove the aluminum wire sample and empty the calorimeter. indefinitely, but no one could afford to buy it from you. ), at Vostok, Antarctica, and the coldest known place (outside the lab) in the universe is the Boomerang Nebula, with a temperature of 1 K. Luckily, most of us humans will never have to experience such extremes.

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