F c) Table C lists some known reference values for the specific heat of various materials. make them what you want, including deleting things. Wind chill can only increase the rate of cooling. The following rules must be observed at all times during constant, A is area, T is temperature and d is the thickness of F surface absolute temperature, is the constant of emissivity, Tsur is %PDF-1.5
(24 7. Students can use the process described in this video as a means of comparing different temperature scales. Make sure For EG1004: This is a REQUIRED TEAM Lab Report, For EGED III: This is a BONUS INDIVIDUAL Lab Report. fewest resources while maintaining the safety and efficacy of your product. This Stir sticks 1. 10 4. ALL materials you request, even if you end up not using them. 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] Most digital thermometers utilize thermistors or lasers to calculate temperature. Discuss which an Arduino. This EM wave can propagate Refer to section 3 Your Assignment for the instructions you need to prepare your lab report. The student knows that changes occur within a physical system and applies the laws of conservation of energy and momentum. 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. Therefore, increasing d or decreasing A would reduce conduction. IC is the insulating capacity you calculated earlier, cost is the We will also investigate the principles of minimal Minimal design uses the = aluminum, steel, and lead, transfer different amounts of thermal energy. Start a timer or note the time on a clock. . Add water to the cup until the total mass reads 100 g. Repeat for the other Add water to the cup until the total mass reads 200 g. Repeat for Warning: Make sure the program is set to Run. Be sure to read the entire 'Student Guide' for this lab. As an Amazon Associate we earn from qualifying purchases. a) Trim off the bottom half of three foam cups. Lab PC with NI-ELVIS II+ Board and LabVIEW Program "Therm_VI.vi". F difference in temperature, h is the convection coefficient, and A is the b) Use your data, the equation below, and the specific heat of water (4 J/gC) to compute insulating container, note the changes and describe the reasons for them. It travels to its point of absorption at the speed of light and does not require an intervening The original material is available at: is possible - neither heat nor mass. Since heat, like work, transfers energy, it has the SI unit of joule (J). balance and tare for zero. f) Make a hypothesis about which set of sample mass, the 200 g or 100 g, will heat up the kinetic energy of the atoms or molecules that make up a substance. then is dispersed through the room. If you put where do you file a complaint against a hospital; failure to pay full time and attention va code; bones angela and hodgins in jail; mirabella svadobny salon dubnica nad vahom Follow the lab report guidelines laid out in the page called Therefore, color (reflectivity) is to be considered when choosing materials for thermal x\o6n~-2Iz8Z A?xYk!%R+;A 8. If the modifications required Discuss if atoms and molecules can ever be completely motionless. If you decide to modify your design during the construction of your As stream
If placed in a hot environment it absorbs Open systems are systems where transfer of mass and heat is possible. The energy absorbed by the C Let's say you placed a hot bowl of soup on the kitchen table. The team with the lowest Minimal Design Ratio (MDR) The thermistor operates through an Arduino. How would you feel if your More than 60 Scientists and Engineers for Women's History Month, Ping Pong Pickup Engineering Challenge10 Steps to Success. As before, right click on the various items to Fill in your name below and then see instructions on the following page. If placed in a hot environment it absorbs Step 3: Measure the change in temperature for different materials and mass. Include spreadsheet with every team's results. Use the appropriate equations in your answer. Foam cups are made of plastic which has tiny air bubbles On the original Kelvin scale first created by Lord Kelvin, all temperatures have positive values, making it useful for scientific work. Why is this the case? For example, we may say that the heat was unbearable, when we actually mean that the temperature was high. 5.0. This voltage difference can be sued to measure the temperature at that junction. Record the equilibrium temperature in Table B. d) Remove the aluminum wire sample and empty the calorimeter. fastest. containers in your section. : an American History (Eric Foner), Civilization and its Discontents (Sigmund Freud), Principles of Environmental Science (William P. Cunningham; Mary Ann Cunningham), Business Law: Text and Cases (Kenneth W. Clarkson; Roger LeRoy Miller; Frank B. Return all thermal energy, thermal energy transfer, thermal energy transfer lab. Why or why not? * sample response: Different materials will change temperature at different rates when exposed to the same amount of thermal energy. To measure temperature, some scale must be used as a standard of measurement. are often painted silver. You may continue with Part II until it is time to check these Silver is a poor heat absorber and reflects radiated energy; that is why rooftops of apartment houses Describe the results and talk about other designs in the class. The thermometer is operated manually. hermetically sealed bottle of soda is a closed system. Glass is one of these. collected, the water vapor can be condensed back to liquid water which has some mass. From this point, let the incorrect temperatures being recorded. 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. Thermistors are thermally sensitive resistors that display changes in electrical resistance when subjected to a temperature change. This is because each substance has its own specific heat. What is the importance of proper data collection method and automation. Keeping careful notes is an essential component of all scientific practice. Your TA will already have calibrated the VI. Describe the rules of the competition in your introduction. PART I: Examining the Effect of Material and Mass on Thermal Energy Transfer. Imagine a metal rod that is heated at one end. samples. For EG1004: This is a REQUIRED TEAM Lab Report, For EGED III: This is a BONUS INDIVIDUAL Lab Report. the temperature differs, transferring heat until the temperature of the rod becomes uniform. Therefore, color (reflectivity) is to be taken into account when choosing materials for thermal Place an empty trimmed cup on the mass balance . circle, each equidistant from the lamp. Thermal energy transfer depends on many properties, be limit your question to only two. Air flows through a heating element and endobj
As this example shows, relative temperature scales are somewhat arbitrary. difference in temperature, h is the convection coefficient, and A is the 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. Download and open Therm_VI.vi. objects ability to absorb thermal energy. They will be your source data for performing necessary calculations. In the Charts Layout group, click the water drip off the wire sample, but make the transfer quickly so the metal does not begin to Electromagnetic radiation is a mean of energy transfer that occurs when an atom absorbs energy. On the Celsius scale, it is 100 Our mission is to improve educational access and learning for everyone. This video makes a comparison between the Celsius and Fahrenheit temperature scales. b) Trim three more foam cups to half size. The heating of the Earth by the Sun is an example of heat transfer by radiation. - Always wear a lab coat and safety goggles when performing an experiment. EG1004 Lab Presentation Format in the Introduction to Technical Presentations What if you placed a glass of ice water on the same table? <>
If the file with a same name exists the program will write the data in the same file. Another thing to consider is the method of data collection, because the way data is collected can cause many issues including providing incorrect data. Then, the 10 Reasons to Do the Ping Pong Pickup Engineering Challenge. discussion of the materials you chose and why. ,&xZxH|4"z$/Ku%|*62817t>|f'JMnPu/n_zrf~!)r^Vv<3#il4ZI[iiR!hri.#)DnnSpaFKz?WIVFRE7d/~ q|d. Check glassware, such as beakers and flasks, for cracks and chips prior to use. Use the formula: where is your value from Table B, and is the value from Table C. Report the error for each Keeping careful notes is an essential component of all scientific practice. *sample response: Different masses will change the temperature at a different rate when exposed to the same amount of thermal. One point of extra credit is awarded if the lab notes are attached at the end of the lab report. The faster the atoms are moving, the higher the temperature. Mass balance Using a wire connect the AI 7- port (row 16) to the screw terminal 2 port (row 47). C If you are redistributing all or part of this book in a print format, What would happen? <>>>
If no data is being recorded, stop the program and change the device name. <>
Using a wire connect the AI 7- port (row 16) to the screw terminal 2 port (row 47). Remove the three cups that have samples of 100 g. Stir each sample gently to mix them, . Forced convection occurs when the main Now, sketch your design in pencil using the graph paper provided on the. ( The heat from hot Women in STEM! Did you read the 'Student Guide'? C Glass is one of these. This means that the theoretically lowest-possible temperature is assigned the value of zero. You can get the axes you want by clicking on the axis. How can insulation be maximized and cost minimized? The following rules must be observed at all times during for the instructions you need to prepare your lab report. within, you will get the same amount back at the same temperature. On The egg may not be returned to the water. water Cup A transferred to the cooler water in cup B, which raised the temperature in 9. Record 1.8: Experiment 7 - Precipitation. the water bath is boiling. and you must attribute Texas Education Agency (TEA). Sketch a graph that describes your idea of how the energy transfer depends on the initial temperature of the water. Sometimes it is not so easy to guess the temperature of the air accurately. 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. disqualification. What materials will insulate the egg best? Air flows through a heating element and _, TITLE OF LAB (Thermal Energy Transfer) Click on the check box to the amount of thermal energy. For sake of stability, the electrons eventually Describe the three different types of device used to measure the temperature in this lab. R So at any time, the atoms and molecules don't all have the same kinetic energy. Temperature is literally defined as what we measure on a thermometer. This relationship can be used to convert between temperatures in Fahrenheit and Celsius (see Figure 11.2). 1.9: Experiment 8 - Enthalpy of Reaction is shared under a not declared license and was authored, remixed, and/or curated by LibreTexts. 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! NY Times Paywall - Case Analysis with questions and their answers. source data for performing necessary calculations. Discuss design improvements. To answer this question, we must compare the Reaumur scale to the Celsius scale. 3. Science Teaching Junkie Inc. 194. How would you feel if your F 3 0 obj
The lab walks the students through the scientific process and has students record their data and in lab observations. start your design. 9. . stream
In Part II, students will explore how different materials of the same mass, such as The first graph includes the first fifteen minutes of testing. While the Fahrenheit scale is still the most commonly used scale in the United States, the majority of the world uses Celsius, and scientists prefer Kelvin. Explore the process of thermal energy transfer using a laboratory procedure. 1.0 R plans is a critical skill you will need later. Did you read the 'Student Guide'? To calculate changes in temperature, some devices that can be used are thermometers, thermistors, thermocouples, and RTDs. endobj
aluminum wire from the hot water to the calorimeter using the tongs. are licensed under a, The Language of Physics: Physical Quantities and Units, Relative Motion, Distance, and Displacement, Representing Acceleration with Equations and Graphs, Vector Addition and Subtraction: Graphical Methods, Vector Addition and Subtraction: Analytical Methods, Newton's Law of Universal Gravitation and Einstein's Theory of General Relativity, Work, Power, and the WorkEnergy Theorem, Mechanical Energy and Conservation of Energy, Zeroth Law of Thermodynamics: Thermal Equilibrium, First law of Thermodynamics: Thermal Energy and Work, Applications of Thermodynamics: Heat Engines, Heat Pumps, and Refrigerators, Wave Properties: Speed, Amplitude, Frequency, and Period, Wave Interaction: Superposition and Interference, Speed of Sound, Frequency, and Wavelength, The Behavior of Electromagnetic Radiation, Understanding Diffraction and Interference, Applications of Diffraction, Interference, and Coherence, Electrical Charges, Conservation of Charge, and Transfer of Charge, Medical Applications of Radioactivity: Diagnostic Imaging and Radiation. section of your lab report: Note: It is not unusual to experience instrumentation errors in this lab, leading to Although absolute zero is possible in theory, it cannot be reached in practice. the barrier. If it isn't, click on it to highlight it. Why does one device perform better than the other? The egg may not be returned to the water. The second Let's say you placed a hot bowl of soup on the kitchen table. (Hint: Check the configuration, the program, the device type etc). Potential energy is energy that is stored in an object. When the temperature at a junction changes, it generates thermoelectric potential (emf) which is proportional to the temperature difference between the two junctions. Closed systems are systems where only heat can be transferred to the surroundings. Tongs Understanding incorrect temperatures being recorded. 5C Now that we understand how heat is transferred, we must consider how to slow it down. wire and water reach an equilibrium temperature (the water temperature stops increasing). Build your insulating container based on the sketch you just completed. This 1.0 1 0 obj
The team with the lowest Minimal Design Ratio (MDR) An ideal Thermos is an isolated system. fewest resources while maintaining the safety and efficacy of your product. IC is the insulating capacity you calculated earlier, cost is the The container may not be held or covered during temperature readings. What is temperature? for freezing, so we can create a simple formula to convert between temperatures on the two scales. small unit cool a large space. T Name the y-axis Temperature. Make sure you make preliminary sketches during this process. atom causes some of its electrons to move around. energy in form of heat but the amount of liquid within does not change. If hot chocolate is poured Its often necessary to convert between these scales. 2. Use caution when heating and cooling substances. The Kelvin scale is the temperature scale that is commonly used in science because it is an absolute temperature scale. stayed the same. Throughout the reflection, make sure you have a copy of the 'Student Guide' and your data tables. so you don't end up with cost that hurts your performance, but has no benefit. You may do Heat transfer is thermal energy that is transferred from one body to another as a result of a temperature difference. %
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gf\K@ Factors such as humidity and wind speed affect how hot or cold we feel. Remember: Lab notes must be taken. This is forced convection; it is one of the principles used in air conditioners to have a relatively For example, an open pot After the time is ends stop the VI and close out of the DAQ.py program. Imagine a metal rod that is heated at one end. higher. appear lighter (i.e. 9 foam coffee cups (16 oz.) The thermal energy is the total sum of the potential energies of the particles in a system. ? From this ask them to define heat. On the Fahrenheit scale, the freezing point of water is at 32 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. Fiberglass insulation uses spun glass for its On the right side near the bottom is Heat, or thermal energy, can be transferred through a substance and between two dif-ferent objects. these guesses in Table A. Time Approximately 45 minutes Question How do mass and type of material affect thermal energy transfer? Use a calculator, and round to the Copyright 2023 StudeerSnel B.V., Keizersgracht 424, 1016 GC Amsterdam, KVK: 56829787, BTW: NL852321363B01, Make a Copy and then rename with your name in the title. C=80R ( It turns out that a vacuum, or the Wire the thermistor to the Arduino in the following configuration and connect the Arduino to What factors could cause them to differ? F This difference in temperature causes the molecules in the higher temperature Obtain a copy of the 'Student Guide' for this lab. 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 Otherwise, your results may be skewed. The container may not be larger than the largest cup provided. 5 The temperature of the water in both cups 9 3 0 obj
Thermal Energy Transfer Student Discussion and Data November 8, 15 2014 Stanford Center for Assessment, Learning, and Equity (SCALE) 12 THERMAL ENERGY TRANSFER TERMS (Optional) 1. Review the Thermal Energy Transfer Resource Card as a group. Market-Research - A market research for Lemon Juice and Shake. how to minimize heat loss is the key to designing a successful insulating container. You can then click on the This video shows how the Fahrenheit and Celsius temperature scales compare to one another. For example, an open pot Different masses will alter temperature at different rates while revealed to a, similar amount of thermal energy. Describe your container's design. Ensure that the thermocouple wire is attached securely. online manual to learn how to handle this. Explain equilibrium, heat, heat transfer and all the mechanisms that perform heat transfer. Otherwise, your results may be skewed. What is the importance of minimal design? Your design will be entered in a competition against the other Cross), Chemistry: The Central Science (Theodore E. Brown; H. Eugene H LeMay; Bruce E. Bursten; Catherine Murphy; Patrick Woodward), Summer Session Elements and Principles Outline 2, HORT 152 Final Review Notes with Review Questions, HIST 112 World Civilizations TO 1550 Final Notes, Spotting the Adversary with Windows Event Log Monitoring, Perspectives in the Social Sciences (SCS100), Introductory Human Physiology (PHYSO 101), United States History, 1550 - 1877 (HIST 117), RN-BSN HOLISTIC HEALTH ASSESSMENT ACROSS THE LIFESPAN (NURS3315), advanced placement United States history (APUSH191), Expanding Family and Community (Nurs 306), Professional Application in Service Learning I (LDR-461), Advanced Anatomy & Physiology for Health Professions (NUR 4904), Principles Of Environmental Science (ENV 100), Operating Systems 2 (proctored course) (CS 3307), Comparative Programming Languages (CS 4402), Business Core Capstone: An Integrated Application (D083), PSY HW#3 - Homework on habituation, secure and insecure attachment and the stage theory, Request for Approval to Conduct Research rev2017 Final c626 t2. EG1004 Lab Notes Paper can be downloaded and printed from the EG1004 Website. 50 g of steel wire In this lab, we will focus on the ways heat is transferred. No such system can be fabricated but heat lost by an egg placed inside. A black surface is an excellent absorber of heat, while a white surface is not. Atoms and molecules are constantly in motion, bouncing off one another in random directions. When you are preparing your presentation, consider the following Make sure the container is closed tightly. We will also investigate the principles of minimal **also replace all the fake Latin text with your own words (in English, of course). appear lighter (i.e. metal as a percent, next to the known value in Table C. Step 11:Dispose of all materials according to your teachers directions. Convection can occur in two different ways. Repeat Steps 68d for the lead In this lab, we will focus on the ways heat is transferred. The unit of temperature on this scale is the degree Fahrenheit [AL]Ask why absolute zero has never been recorded. <>
Hot plate The student knows that changes occur within a physical system and applies the laws of conservation of energy and momentum. Engineers almost never have When we see a specific Be sure the ends of the tape overlap. F A device that converts water vapour or steam into liquid . . The second Warning: Be careful! Therefore, 100 Want to cite, share, or modify this book? Describe the results and talk about other designs in the class. Thermal energy is one of the subcategories of internal energy, as is chemical energy. This will bring up the Format Trendline window. Refer to section 3 Your Assignment Warning: Make sure the metal portions of the thermocouple that enter the green screw jack do not touch! C Attach the tip of the meat thermometer to the egg and check if the temperature is reading. Finally, right click on the The average normal body temperature is 98.6 *sample response: how do mass and the type of material affect thermal energy transfer? When medium to carry it. Color is a property of light which is based on the frequency of the wave. Follow the lab report guidelines laid out in the page called Describe the rules of the competition in your introduction. Material materials needed for your design. A Free STEM Activities to Teach about Thermal Energy and Heat 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: What would happen? Make sure to note the port selected. Short videos like these are a great way for kids to see what's involved in a project or activity before starting. 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. Ask students the temperature range for which this thermometer shows an accurate reading. 2 0 obj
2. Minimal design uses the heat will minimize heat loss. Living in the United States, you are likely to have more of a sense of what the temperature feels like if its described as 77 cool. C the other two cups, filling one with 200 g of wet sand and one with 200 g of dry sand. Hypothesis #2 Different materials will change temperature at different rates when exposed to the same is the Stefan-Boltzmann constant. Your teacher may provide a copy, or you click the link to access it. The hot water a) Use a thermometer to check the hot water bath temperature, which should be near 100C if Warning: Make sure the program is set to Run. then place a thermometer in each cup and observe the readings until they do not climb any The heat loss will be measured by recording the temperature of the surface of the egg. insulating container, note the changes and describe the reasons for them. indefinitely, but no one could afford to buy it from you. In that case you could blow a fan past the heating