<>>> 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 (Hint: Check the configuration, the program, the device type etc). F Write a hypothesis for Part II of the lab, which is about the type of material an objects is made of, and its ability to absorb or release thermal energy. From this ask them to define heat. If using one heat lamp, put the six cups in a tight suspended in it. Isolated systems are systems which do not interact with the surroundings at all. x\o6n~-2Iz8Z A?xYk!%R+;A K, at Helsinki University of Technology in Finland. 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. Air is among the poorest conductors of heat. Write a hypothesis for Part I of the lab, which is about the effect of mass on the ability of an object to absorb or release thermal energy. The lab walks the students through the scientific process and has students record their data and in lab observations. Jan 13, 2023 Texas Education Agency (TEA). is the Stefan-Boltzmann constant. Create two graphs using the X, Y Scatter template. The rate of heat loss for any object depends on the temperature difference between the object and its surroundings. 50 g of steel wire Following the same logic, when an object appears white, it virtually reflect all the EM waves coming How would you feel if your 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). When printing this document, you may NOT modify it in any way. Lab-Thermal Energy Transfer-student guide - Pre-Lab Information Purpose Our job is to understand utility knife Specifications for Writing Your Lab Reports in the Technical Communication section of this surface absolute temperature, is the constant of emissivity, Tsur is Wind disrupts this layer, replacing it with cooler air. PDF Lab Activity: Heat, Temperature and Conduction No such system can be fabricated but C F Be sure the ends of the tape overlap. Describe the rules of the competition in your introduction. R very important when handling metal samples, especially lead if used. for the Celsius scale, and its unit is the degree Celsius PDF Lab: Thermal Energy Transfer Student Guide Pre-Lab Information Women in STEM! If using two lamps, place three cups under each. ), but people have been known to survive with body temperatures ranging from 75 C Hypothesis #1 Different masses will change temperature at different rates when exposed to the same . Mass balance this in a numbered list, but please use full sentences. 300 g of dry sand endobj Start the LabVIEW VI and launch the DAQ.py program simultaneously (see Figure 2 for the VI ). insulating effect. is the Stefan-Boltzmann constant. 4 0 obj . Would it be helpful to put bigger fins on the heating element? Lab: Thermal Energy Transfer Student Guide Pre-Lab Information Purpose Explore the process of thermal energy transfer using a laboratory procedure. No such system can be fabricated but the fluid or at its boundaries. F a height of 10 cm from the materials. for winning the competition. %PDF-1.5 Q),j)g:G9"M=Y4avA4 YG"+Lq0GTP Glass is one of these. What consequences did the rules have for Cup B, and decreased the temperature in Cup A. ALL materials you request, even if you end up not using them. 5F The TA will bring the egg to you once you are ready to receive it. 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. Following the same logic, when an object appears white, it virtually reflect all the EM waves coming Now, sketch your design in pencil using the graph paper provided on the. (or 298 K, for that matter). If no data is being recorded, stop the program and change the device name. this in a numbered list, but please use full sentences. The energy absorbed by the Therefore, color (reflectivity) is to be considered when choosing materials for thermal ,)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 you could most likely come up with a container that would maintain the egg's temperature almost Describe the rules of the competition in your introduction. Temperature is the measure of left of this item and click Close. Let me know if youve shared it. 300 g of dry sand Please go to File _Make a Copy and then rename with your name in the title. with the higher temperature to the one with the lower temperature until the system reaches for winning the competition. Lab Thermal Energy Transfer - SCIENCE LAB REPORT Please go to File Reproduction of material from this website without written permission is strictly prohibited. Hypothesis #2 Different materials will change temperature at different rates when exposed to the same 1.0 Lab: Absorption and Radiation by Land and Water- Virtual Lab: Will it work on any surface or just the human body? Your TA will already have calibrated the VI. to it while a "black" object absorbs it all. surroundings by an imaginary boundary. See Figure 1 for a diagram of natural convection. The boiling point of water is 100 You'll find the template on the Insert tab, under the Edgenuity Learning Students. 5F The egg may not be returned to the water. 9. Lab: Thermal Energy Transfer- Wet Lab: Student Document: Lab: Thermal Energy Transfer- Plan an Investigation: Student Document WATER AND SOLUTIONS . start your design. Heat is a form of energy. Draw and label a diagram of an area where land and ocean meet and one where the opposite type of location is shown. This will allow the VI to record 30 temperature readings to an Excel spreadsheet. Why is this? In an alcohol-in-glass thermometer, alcohol molecules absorb energy by heat, and as the intermolecular distances increase, the bulk alcohol expands. 5. #J%=uX4(@Eg>N2-1r the barrier. Lab PC with NI-ELVIS II+ Board and LabVIEW Program "Therm_VI.vi". 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. Using two 100,000 resistors (Brown, Black, Yellow), insert one end of each resistor into AIGND (row 18) of the NI-ELVIS board. Talk about your team's strategy 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 The heat loss will be measured by recording the temperature of the surface of the egg. What is temperature? Record an initial temperature for each type of material in Table Heat is defined as thermal energy flowing from an object at a higher temperature to one at a lower temperature. are often painted silver. a) Trim off the bottom half of three foam cups. pellets, and briefly allow the excess water to drain from the pellets and strainer before a) Now that you have calculated specific heat values for the metals, see how far off the values Mark Baillie coordinated the modifications of this activity for implementation in a 15 week fall course, with the help of Elena Lisitsyna and Karie Sanford. Stir sticks Dispel any notions that heat content is solely dependent on temperature. If room temperature is 25 Discuss which indefinitely, but no one could afford to buy it from you. C we have seen earlier when heated atomic motion within a body increases. complete lack of air, is the best insulator of all. Furthermore, you will see how heat, as a form of thermal energy, can be transferred. Describe the results and talk about other designs in the class. Warning: Make sure the program is set to Run. online manual to learn how to handle this. 1 0 obj The other important consideration in creating your container is its cost. You, will not be able to type into the document until you save your own copy. If you decide to modify your design during the construction of your "NO RETURN" POLICY: When calculating cost, you must include F Wind chill can only increase the rate of cooling. the mass of the metal and is the decrease in temperature of the metal. The other important consideration in creating your container is its cost. Your teacher may provide a copy, or you click the link to access it. 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] }0@d*>@%-B(B[Q>ND)]Ey%"IV*[]OHqWfjr7fzOSx The transfer of energy arising from the temperature difference between adjacent parts of the material is called conduction. change. C Color is a property of light which is based on the frequency of the wave. The average normal body temperature is 98.6 Wire cutters on the Celsius scale, what is it on the Reaumur scale? materials needed for your design. xZY6~xJek|$:um@k(#i,Q@!1aKT&or^Z7m[;m7?obfO 3ne`U3E@-v6zy Different masses will alter temperature at different rates while revealed to a, similar amount of thermal energy. Warning: Make sure the metal portions of the thermocouple that enter the green screw jack do not touch! They will be your the left side, the Trendline Options item should be highlighted. suspended in it. design. the competition. Now double click the DAQ.py to run the python script. Sometimes it is not so easy to guess the temperature of the air accurately. line tracing lab PARA_082512.docx - Gas Steam Boiler - A the average kinetic energy of atomic motion. an Arduino. Use the lab notes to write the Procedure section of the lab report. The temperature of the bar got warmer on the side that started cool. 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). The total internal energy of a system is the sum of the kinetic and potential energies of its atoms and molecules. The formula to determine the conductivity in a rod of material is: In this equation, Q is heat transferred in time t, k is the thermal conductivity As 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. C=80R . amount of thermal energy. 50 g of aluminum wire 10 Thermal energy is one of the subcategories of internal energy, as is chemical energy. Assignment, Lab: Thermal Energy Transfer 4.8 (75 reviews) Term 1 / 9 1. ). amount of energy absorbed. -Which is the metric standard for measuring energy? Forced convection occurs when the main How can insulation be maximized and cost minimized? This is because each substance has its own specific heat. the competition. For example, the Celsius scale uses the freezing point of water as its reference point; all measurements are either lower than the freezing point of water by a given number of degrees (and have a negative sign), or higher than the freezing point of water by a given number of degrees (and have a positive sign). Finally, right click on the The faster the atoms are moving, the higher the temperature. of If needed, place the calorimeter The following rules must be observed at all times during In the lower right-hand corner of the front panel is the device name. We will also investigate the principles of minimal Air flows through a heating element and 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 You may need to divide the Arduino data by 60 to convert to minutes. Use the appropriate equations in your answer. the temperature differs, transferring heat until the temperature of the rod becomes uniform. Behavior in the lab needs to be purposeful. objects ability to absorb thermal energy. The temperature of the metals should have reached the same You may do On The faster the atoms are moving, the higher the temperature. Define what thermal insulation is and the different types of Thermodynamic systems. Heat is energy that spontaneously passes between a system and its surroundings in some way other than through work or the transfer of matter. Its one of those concepts so ingrained in our everyday lives that, although we know what it means intuitively, it can be hard to define. heat lost by an egg placed inside. a) Use a thermometer to check the hot water bath temperature, which should be near 100C if Student Lab Guides for Science courses - Edgenuity Record This EM wave can propagate Underline definitions. Then feel it against your skin. The transfer of heat energy through the process of conduction can be explained by thinking of the heat from a Discuss design improvements. Using a wire connect the AI 7- port (row 16) to the screw terminal 2 port (row 47). 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. Minimal design uses the endobj 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. Given unlimited resources, Table 11.1 gives the equations for conversion between the three temperature scales. Define what thermal insulation is and the different types of Thermodynamic systems. disqualification. In that case you could blow a fan past the heating Step 3: Measure the change in temperature for different materials and mass. Materials that insulating container, note the changes and describe the reasons for them. - a connection between type of material and thermal energy transfer is developed. Both the Fahrenheit scale and Celsius scale are relative temperature scales, meaning that they are made around a reference point. mechanism for heat transfer is due to the forced flow or motion of the fluid. Tongs Warning: Make sure the program is set to Run. . surface area. design. color, our eyes literally receive an electromagnetic wave of a specific frequency. What would happen? What changes would have increased/decreased your MDR or IC? . Describe the three different types of device used to measure the temperature in this lab. Use a calculator, and round to the from one body to another as a result of a temperature difference. If the modifications required 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. Suppose you wanted to disperse the heat even faster. When we see a specific 10 lab thermal energy transfer assignment: reflect on the lab 1.0 % 100 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. EG1004 Lab Notes Paper can be downloaded and printed from the EG1004 Website. Free STEM Activities to Teach about Thermal Energy and Heat, https://www.youtube.com/watch?v=rbhzoCb0xWM, https://www.youtube.com/watch?v=rtsq-l0AxbY, 18 Animal Science Lessons and Experiments, 11 Lessons to Teach About the Chemistry of Mixtures and Solutions, Teach Chemical Reactions - 20+ Chemistry Lessons and Activities, 13 Activities and Lessons to Teach Potential and Kinetic Energy, Teach About Biodiversity with Free STEM Lessons & Activities, Curated STEM Resources for Teaching Science Units, Rev Up STEM Learning with Car Science Projects. Imagine a metal rod that is heated at one end. You can get the axes you want by clicking on the axis. ). Using a wire connect the AI 7+ port (row 15) to the screw terminal 1 port (row 46). Which aspects of the competition formula are most advantageous? Thermistors are thermally sensitive resistors that display changes in electrical resistance when subjected to a temperature change. Would it be helpful to put bigger fins on the heating element? difference in temperature, h is the convection coefficient, and A is the these guesses in Table A. This R The lowest temperature ever created and measured during a laboratory experiment was Long-handled strainer or spoon. Foam cups are made of plastic which has tiny air bubbles samples. insulating effect. This video is only a guide in completing the Thermal Energy Transfer Lab Explain equilibrium, heat, heat transfer and all the mechanisms that perform heat transfer. 2. Use these free STEM activities help students explore thermal energy and heat science. Thermal energy is one of the subcategories of internal energy, as is chemical energy. Your TA will provide the Fiberglass insulation uses spun glass for its Electromagnetic radiation is a mean of energy transfer that occurs when an atom absorbs energy. You may print and distribute up to 200 copies of this document annually, at no charge, for personal and classroom educational use.
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