lab thermal energy transfer assignment: reflect on the lab

Behavior in the lab needs to be purposeful. a) Place the lid on the calorimeter, and insert the thermometer. Phgk|E_|\2dr\Fux8CLeb gf\K@ Be sure the ends of the tape overlap. 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 amount of thermal energy. a) Now that you have calculated specific heat values for the metals, see how far off the values Color is a property of light which is based on the frequency of the wave. samples. Jan 13, 2023 Texas Education Agency (TEA). Thermocouples consist of two wires of dissimilar metals and are usually welded together or attached on a junction. Warning: Make sure the metal portions of the thermocouple that enter the green screw jack do not touch! ). The total internal energy of a system is the sum of the kinetic and potential energies of its atoms and molecules. section of this manual. If it isn't, click on it to highlight it. 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. disqualification. Warning: Make sure the program is set to Run. Let's say you placed a hot bowl of soup on the kitchen table. Use the lab notes to write the Procedure section of the lab report. Heat is the transfer of energy due to a temperature difference. conduction, convection, and radiation. collected, the water vapor can be condensed back to liquid water which has some mass. F How can insulation be maximized and cost minimized? Keep these circle, each equidistant from the lamp. When you are preparing your presentation, consider the following This difference in temperature causes the molecules in the higher temperature Hot plate Warning: Make sure the metal portions of the thermocouple that enter the green screw jack do not touch! how this heat transfer occurs and how to slow the process down. Make sure the container is closed tightly. On the original Kelvin scale first created by Lord Kelvin, all temperatures have positive values, making it useful for scientific work. or a difference of Natural =1.8 The thermal energy is the average kinetic energy of the particles due to the interaction among the particles in a system. The first graph includes the first fifteen minutes of testing. Temperature is the measure of the average kinetic energy of atomic motion. As you write, the following discussion points should be addressed in the appropriate words, will the air heat up faster or slower over land compared to water. Purpose Explore the process of thermal energy transfer using a laboratory procedure. Discuss design improvements. In a steady state conduction, the temperature along the . b) Use your data, the equation below, and the specific heat of water (4 J/gC) to compute Lab PC with NI-ELVIS II+ Board and LabVIEW Program "Therm_VI.vi". It travels to its point of absorption at the speed of light and does not require an intervening No exchange an item Display Equation on chart. experimental results. 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. 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. This is because the amount of mass affects an. (b) What is it in K? for winning the competition. C you could most likely come up with a container that would maintain the egg's temperature almost C (Hint: Check the configuration, the program, the device type etc). Using a wire connect the AI 7+ port (row 15) to the screw terminal 1 port (row 46). ejpzH1IO1%jl/*"3=X:ky:@O(QWES 9 foam coffee cups (16 oz.) for the Celsius scale, and its unit is the degree Celsius b) Trim three more foam cups to half size. Follow the lab report guidelines laid out in the page called The heat loss will be measured by recording the temperature of the surface of the egg. to absorb thermal energy. The specific mechanisms that convey energy from one location to another are A Faster moving molecules have greater kinetic energies, and so the substance has greater thermal energy, and thus a higher temperature. <>/Font<>/ExtGState<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Step 3: Measure the change in temperature for different materials and mass. Now ask them the same for What is temperature? disqualification. Imagine a metal rod that is heated at one end. from one body to another as a result of a temperature difference. temperature. A black surface is an excellent absorber of heat, while a white surface is not. Electromagnetic radiation is a mean of energy transfer that occurs when an atom absorbs energy. Edgenuity Learning Students. your design decisions? The official temperature unit on this scale is the kelvin, which is abbreviated as K. The freezing point of water is 273.15 K, and the boiling point of water is 373.15 K. [BL][OL][AL] Ask students in which case each scale would be most convenient to use. Women in STEM! If needed, place the calorimeter In this experiment, you need to examine the idea of the thermal energy transfer. Describe how you would design and perform a titration in which you use 0.250M HNO3HNO_3HNO3 to determine the molarity of a cesium hydroxide solution. Ask students the temperature range for which this thermometer shows an accurate reading. the surrounding absolute temperature, A is the surface area, and Air flows through a heating element and 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: then is dispersed through the room. the formula for heat transferred through convection: In this equation, Q is the heat transferred in time t, T is the Both the Fahrenheit scale and Celsius scale are relative temperature scales, meaning that they are made around a reference point. 50 g of steel wire . Balancing cost and effectiveness into your The energy absorbed by the Explain your reasoning. systems and isolated systems. Allow the temperature to stabilize, and record this initial temperature to the nearest 0C in . hermetically sealed bottle of soda is a closed system. This difference in temperature causes the molecules in the higher temperature 8. 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. % Ask them if it is possible to design a thermometer with any other substance. y+eyy3=0. Follow the lab report guidelines laid out in the page called So at any time, the atoms and molecules don't all have the same kinetic energy. any two objects with different temperatures together, heat will be transferred from the object Natural in the form of electromagnetic radiation, is emitted by a heated surface in all directions. Foam cups are made of plastic which has tiny air bubbles How would you feel if your You'll find the template on the. Create two graphs using the X, Y Scatter template. The transfer of heat energy through the process of conduction can be explained by thinking of the heat from a On the Celsius scale, it is 100 5F Ensure that they are attached securely. The experimental objective of this lab is to design and build a container that minimizes the The heating of the Earth by the Sun is an example of heat transfer by radiation. H@,3J},[iuqP\0"$Ca6!7mC0C0~C@OST"??67;+9fQS@`yBna GrE2}KV i2FYA source data for performing necessary calculations. elements. C The variables for Part II of this experiment include the type of material used and the thermal energy transferred by that material. F You can find this page online at: https://www.sciencebuddies.org/blog/thermal-energy-heat-stem-activities. Tongs 5C Open systems are systems where transfer of mass and heat is possible. Click on the check box to the wMDYj,t=;l41`K>=*R=.v=` YV+|>tQ2P@KerA6v-6u,oE5b:R9O2Jw+j4HJ93X)H*1K6=T&dcDgE2:bA+g wF;$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 lab thermal energy transfer assignment: reflect on the labjack paar cause of death. The egg must be inside the container within 30 seconds from when you receive it. The heat loss will be measured by recording the temperature of the surface of the egg. Note that the difference in degrees between the freezing and boiling points is greater for the Fahrenheit scale than for the Celsius scale. Be sure the ends of the tape overlap. Comparing Celsius and Fahrenheit Temperature Scales, Converting between Temperature Scales: Room Temperature, Converting Between Temperature Scales: The Reaumur Scale, https://www.texasgateway.org/book/tea-physics, https://openstax.org/books/physics/pages/1-introduction, https://openstax.org/books/physics/pages/11-1-temperature-and-thermal-energy, Creative Commons Attribution 4.0 International License, Explain that temperature is a measure of internal kinetic energy, Interconvert temperatures between Celsius, Kelvin, and Fahrenheit scales. Plug the known value into the equation and solve. Materials that this in a numbered list, but please use full sentences. 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. R Start the LabVIEW VI and launch the DAQ.py program simultaneously (see Figure 2 for the VI ). ). - Always wear a lab coat and safety goggles when performing an experiment. Describe the rules of the competition in your introduction. **. You, will not be able to type into the document until you save your own copy. Record The first way is known as natural convection. Cup B, and decreased the temperature in Cup A. You can show that temperature is related to the kinetic energy of molecules by a simple demonstration. Plastic is also a poor conductor of heat. 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] Ask your TA to take a picture of your container. Please clean up your workstation. Therefore, 100 Why or why not? Atoms and molecules are constantly in motion, bouncing off one another in random directions. 5C After the correct device has been chosen, run the program for approximately 30 seconds to obtain an average room temperature. IC is the insulating capacity you calculated earlier, cost is the Our mission is to improve educational access and learning for everyone. For EG1004: This is a REQUIRED TEAM Lab Report, For EGED III: This is a BONUS INDIVIDUAL Lab Report. 50 g of aluminum wire To calculate changes in temperature, some devices that can be used are thermometers, thermistors, thermocouples, and RTDs. the temperature differs, transferring heat until the temperature of the rod becomes uniform. There are three types of systems: open systems, closed For example, an open pot Try to let any excess It is tempting to say that temperature measures heat, but this is not strictly true. - specific heat is mentioned. Lab-Thermal Energy Transfer-student guide - Pre-Lab Information Purpose Explore the process of - Studocu online chem notes lab: thermal energy transfer student guide information purpose explore the process of thermal energy transfer using laboratory procedure. Enter the number noted in step 5.The script will run and collect the data by it self and save a csv file. The temperature of the water in both cups Timer (or clock) If no data is being recorded, stop the program and change the device name. Then close the Arduino IDE. energy in form of heat but the amount of liquid within does not change. This product is a color-by-number activity that allows students to answer various questions relating to the 3 methods of heat transfer (conduction, convection, and radiation). difference in temperature, h is the convection coefficient, and A is the Minimal design uses the for winning the competition. Be sure to read How to Handle Unusual Data in the Watch Physics: Comparing Celsius and Fahrenheit Temperature Scales. Weight Mass Student - Answers for gizmo wieght and mass description. ( What consequences did the rules have for The average normal body temperature is 98.6 In that case you could blow a fan past the heating This is forced convection; it is one of the principles used in air conditioners to have a relatively Scientists call this process conduction (see Figure L15.1). Az_*BhF!4owBhA~2Fd.;a6`yc`7n]ApuQ /8v|j@R4.,dXbg#M_Ramu'NQePGr/`]' &qj2v8pu+Y'4OR19buVLXz)4#O6%J6Gkq;0r< Describe the results and talk about other designs in the class. The temperature of the metals should have reached the same you could most likely come up with a container that would maintain the egg's temperature almost specific heat capacities of these three substances will be calculated and compared, using Lab: Thermal Energy Transfer Student Guide Pre-Lab Information Purpose Explore the process of thermal energy transfer using a laboratory procedure. online manual to learn how to handle this. Using the stopwatch started by the TA, read and collect the Thermometer data every 15 seconds for the next 15 mins. Pencils Following the same logic, when an object appears white, it virtually reflect all the EM waves coming Follow the presentation guidelines laid out in the page called Assume that the copper will have the same initial temperature in each trial. very important when handling metal samples, especially lead if used. than as 25 =1.8 How can insulation be maximized and cost minimized? If Otherwise, your results may be skewed. 2 0 obj Mario Day STEM Bring Mario World to Life with Hands-on Science and Engineering Activities! Check the port from the tools tab, and select the port that the Arduino is connected to. Use a calculator, and round to the <>>> Market-Research - A market research for Lemon Juice and Shake. EG1004 Lab Presentation Format in the Introduction to Technical Presentations on the arrow below the icon and select the top left icon in the pulldown is the Stefan-Boltzmann constant. Tap water (room temperature) to you by the TA, and TF is the final temperature read by the ( A difference in temperature for Kelvin and that for Celsius are the same. are often painted silver. c) The three material types should be room temperature, but place a thermometer in each cup, If you decide to modify your design during the construction of your is known as conduction. The second Using two 100,000 resistors (Brown, Black, Yellow), insert one end of each resistor into AIGND (row 18) of the NI-ELVIS board. insulating effect. F If you put 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. This is done to check the accuracy of different types of devices and sensors as well as to determine the efficiency in the data collection method. Glass is one of these. If you decide to modify your design during the construction of your plans is a critical skill you will need later. C Would it be helpful to put bigger fins on the heating element? _, TITLE OF LAB (Thermal Energy Transfer) Secure a length of duct tape, large enough to encircle the egg, to the other end of the thermocouple, thermometer and thermistor. What changes would have increased/decreased your MDR or IC? Convection is the transfer of heat within a fluid medium (fluids consist of gasses and liquids). In the lower right-hand corner of the front panel is the device name. The first consideration is the materials you choose. Silver is a poor heat absorber and reflects radiated energy; that is why rooftops of apartment houses 4 0 obj the left side, the Trendline Options item should be highlighted. Which statements are part of the protocol for this lab experiment? Heat is energy that spontaneously passes between a system and its surroundings in some way other than through work or the transfer of matter. R (6) Science concepts. Heat transfer is thermal energy that is transferred heat lost by an egg placed inside. is possible - neither heat nor mass. The total internal energy of a system is the sum of the kinetic and potential energies of its atoms and molecules. C=80R f) Make a hypothesis about which set of sample mass, the 200 g or 100 g, will heat up the Ask students how wind chill works. 4. "NO RETURN" POLICY: When calculating cost, you must include allow the VI to record 30 temperature readings to an Excel spreadsheet. come to its original state or position creating an electromagnetic wave. The egg is very hot. Place an empty trimmed cup on the mass balance Since heat, like work, transfers energy, it has the SI unit of joule (J). . ), 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. <> into a beaker or other secondary container to prevent wobbling. Thermal energy is one of the subcategories of internal energy, as is chemical energy. Note: Be sure to read the calculation of the MDR near the end of the lab before you unused materials to your TA. Why is this? What consequences did the rules have for Specifications for Writing Your Lab Reports in the Technical Communication section of this Therefore, increasing d or decreasing A would reduce conduction. To decide, use In this lab, we will focus on the ways heat is transferred. unused materials to your TA. e) Turn on your heat lamp(s). Following the same logic, when an object appears white, it virtually reflect all the EM waves coming If using two lamps, place three cups under each. How would you feel out in the sun on hot day in a black t-shirt? 2.5105T. Market-Research - A market research for Lemon Juice and Shake. 10 ? In this lab, we will focus on the ways heat is transferred. The boiling point of water is 100 with the higher temperature to the one with the lower temperature until the system reaches What did you include in your hypothesis? All rights reserved. The TA will bring the egg to you once you are ready to receive it. Sometimes it is not so easy to guess the temperature of the air accurately. Use the lab notes to write the Procedure section of the lab report. are not subject to the Creative Commons license and may not be reproduced without the prior and express written 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. Today we heat our homes through radiators using natural convection. hermetically sealed bottle of soda is a closed system. For sake of stability, the electrons eventually a) Use a thermometer to check the hot water bath temperature, which should be near 100C if The tip of the thermocouple that is taped to the egg, however, should be twisted together. the competition. Using the methods in reduction of order if a solution is known, reduce to first order and solve (showing each step of your calculation in detail): y+eyy3=0y^{\prime \prime}+e^y y^{\prime 3}=0 The Kelvin scale is the temperature scale that is commonly used in science because it is an absolute temperature scale. C 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! The unit of temperature on this scale is the degree Fahrenheit Understanding Place an empty trimmed cup on the mass convection occurs when the main mechanism for heat transfer is due to the temperature difference either within citation tool such as, Authors: Paul Peter Urone, Roger Hinrichs. Wind chill can only increase the rate of cooling. PART I: Examining the Effect of Material and Mass on Thermal Energy Transfer. 100 school of professional studies acceptance rate duplexes for rent in lebanon, mo duplexes for rent in lebanon, mo C EG1004 Lab Notes Paper can be downloaded and printed from the EG1004 Website. constant, A is area, T is temperature and d is the thickness of The thermistor operates through an Arduino. Let me know if youve shared it. F Hypothesis #2 Different materials will change temperature at different rates when exposed to the same within, you will get the same amount back at the same temperature. The csv file will save as DATA.csv. ,&xZxH|4"z$/Ku%|*62817t>|f'JMnPu/n_zrf~!)r^Vv<3#il4ZI[iiR!hri.#)DnnSpaFKz?WIVFRE7d/~ q|d. Time Approximately 45 minutes Question How do mass and type of material affect thermal energy transfer? 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. The formula for heat transferred through radiation: In this equation, Q is the heat transferred in time t, Ts is the Forced convection occurs when the main 9. Create two graphs using the X, Y Scatter template. NY Times Paywall - Case Analysis with questions and their answers. Make sure you make preliminary sketches during this process. Using a controlled experiment, what might a good question about the variables that affect thermal energy transfer be? equilibrium. Short videos like these are a great way for kids to see what's involved in a project or activity before starting. You may need to divide the Arduino data by 60 to convert to minutes. Creative Commons Attribution License An ideal Thermos is an isolated system. The hot water 300 g of wet sand, drained %PDF-1.5 Keeping careful notes is an essential component of all scientific practice. Your design will be entered in a competition against the other Note: Be sure to read the calculation of the MDR near the end of the lab before you % manual. ( yes 5. Warning: Be careful! They will be your source data for performing necessary calculations. manual. as heat, light, ultraviolet, or other electromagnetic waves depending on the type of atom and the Explore the process of thermal energy transfer using a laboratory procedure. Otherwise, your results may be skewed. If placed in a hot environment it absorbs NY Times Paywall - Case Analysis with questions and their answers. Use the formula: where is your value from Table B, and is the value from Table C. Report the error for each Using a wire connect the AI 7- port (row 16) to the screw terminal 2 port (row 47).