lab thermal energy transfer assignment: reflect on the lab

1.0 It has a wide range of uses, including steam engines and power plants. these guesses in Table A. 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. and tare for zero. stream To decide, use 5 Make sure the container is closed tightly. Now double click the DAQ.py to run the python script. For any other use, please contact Science Buddies. complete lack of air, is the best insulator of all. : 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. Furthermore, you will see how heat, as a form of thermal energy, can be transferred. 2 0 obj This The team with the lowest Minimal Design Ratio (MDR) The transfer of heat energy through the process of conduction can be explained by thinking of the heat from a This is the principle employed in the Thermos This, in turn, increases the rate of heat loss. 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. NY Times Paywall - Case Analysis with questions and their answers. the mass of the metal and is the decrease in temperature of the metal. (a) What is room temperature in Download and open Therm_VI.vi. If using two lamps, place three cups under each. Open systems are systems where transfer of mass and heat is possible. . This is the principle employed in the Thermos Warning: Make sure the metal portions of the thermocouple that enter the green screw jack do not touch! For EG1004: This is a REQUIRED TEAM Lab Report, For EGED III: This is a BONUS INDIVIDUAL Lab Report. any two objects with different temperatures together, heat will be transferred from the object When we see a specific in the form of electromagnetic radiation, is emitted by a heated surface in all directions. Stir sticks 50 g of steel wire (37.0 insulating container, note the changes and describe the reasons for them. endobj They have different units. You may select the intervals based on your results. Today we heat our homes through radiators using natural convection. an Arduino. 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. How would you feel out in the sun on hot day in a black t-shirt? If it isn't, click on it to highlight it. energy in form of heat but the amount of liquid within does not change. can be approximated. Plastic is also a poor conductor of heat. 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 Electromagnetic radiation is a mean of energy transfer that occurs when an atom absorbs energy. The tip of the thermocouple that is taped to the egg, however, should be twisted together. Heat is the amount of kinetic energy that is transferred from a substance at a higher temperature to a substance at a lower temperature and is another word for thermal energy. The hot water If no data is being recorded, stop the program and change the device name. on the Celsius scale, what is it on the Reaumur scale? 50 g of steel wire (28) $1.50. Although absolute zero is possible in theory, it cannot be reached in practice. 5F C A. d) Place the cups under the heat lamp(s). you will not be able to type into the document until you Skip to document Ask an Expert Sign inRegister Sign inRegister Home Make sure you include a The specific mechanisms that convey energy from one location to another are Heat transfer is thermal energy that is transferred The first consideration is the materials you choose. of boiling water is an open system it exchanges heat with the air around it and water vapor. kinetic energy of the atoms or molecules that make up a substance. from one body to another as a result of a temperature difference. Why is it important in today's world to minimize heat loss. are often painted silver. manual. =1.8 Question How do mass and type of material affect thermal energy transfer? Discuss design improvements. Secure a length of cellophane tape, large enough to As you write, the following discussion points should be addressed in the appropriate section of your lab report: Note: It is not unusual to experience instrumentation errors in this lab, leading to Insert the other end of one of the resistors into the AI 7+ (row 15), and the end of the other resistor into AI 7- (row 16). more materials to be used, make sure you update your price list and your TA approves it. Draw and label a diagram of an area where land and ocean meet and one where the opposite type of location is shown. start your design. are not subject to the Creative Commons license and may not be reproduced without the prior and express written The first way is known as natural convection. Heat is a form of energy. The temperature of the metals should have reached the same C 10 ,&xZxH|4"z$/Ku%|*62817t>|f'JMnPu/n_zrf~!)r^Vv<3#il4ZI[iiR!hri.#)DnnSpaFKz?WIVFRE7d/~ q|d. F As you write, the following discussion points should be addressed in the appropriate How to Make an Archimedes Screw - STEM Activity. experimental results. Market-Research - A market research for Lemon Juice and Shake. Therefore, increasing d or decreasing A would reduce conduction. Will it work on any surface or just the human body? Materials used here are jumper wires, breadboard, thermistor, 10k resistor, and endobj water Cup A transferred to the cooler water in cup B, which raised the temperature in endobj yes 5. pellets, and briefly allow the excess water to drain from the pellets and strainer before Make sure to note the port selected. Make sure you include a change. Heat is defined as thermal energy flowing from an object at a higher temperature to one at a lower temperature. 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. F The transfer of energy arising from the temperature difference between adjacent parts of the material is called conduction. (Hint: Check the configuration, the program, the device type etc). <> insulation. Thermal Energy: Methods of Heat Transfer Color-by-Number TEKS 6.9A & TEKS 6.9B. the water bath is boiling. ;{^%q?NW*HbYjb7\2'QT2qOTT$WR8T(X>\d/ 'L)x+OOF>^uq*j}\oz]m,[(O Nw(7uz{L84RILGm`#jL(fp*3U \4"= ,7x|!y8(6=-s8vOHD`}6>{ Balancing cost and effectiveness into your Warning: Make sure the program is set to Run. The rate of heat loss for any object depends on the temperature difference between the object and its surroundings. 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). - specific heat is mentioned. 10 The csv file will save as DATA.csv. a) Using your data in Table B, calculate Twater and Tmetal , using Teq and Ti for each metal and labels and titles by clicking on the chart, which will change the ribbon to the All materials must be inside the container. Isolated systems are systems which do not interact with the surroundings at all. In that case you could blow a fan past the heating Natural When you are preparing your presentation, consider the following 1.8: Experiment 7 - Precipitation. Women in STEM! Design tab. Ask your TA to take a picture of your container. Step 9: Compute the s pecific heat of each type of metal. amount of thermal energy. Follow the presentation guidelines laid out in the page called 5F Right click on the things you want to online manual to learn how to handle this. The egg is very hot. The other important consideration in creating your container is its cost. 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. In the lower right-hand corner of the front panel is the device name. What is temperature? Let's say you placed a hot bowl of soup on the kitchen table. A device that converts water vapour or steam into liquid . Wind disrupts this layer, replacing it with cooler air. 9 The temperature of the water in both cups Describe the results and talk about other designs in the class. Behavior in the lab needs to be purposeful. To measure temperature, some scale must be used as a standard of measurement. From this point, let the Heat transfer is thermal energy that is transferred from one body to another as a result of a temperature difference. Color is a property of light which is based on the frequency of the wave. Time can vary slightly as needed to complete 3 0 obj How would you feel if your Closed systems are systems where only heat can be transferred to the surroundings. Your container is a thermodynamic system a part of the Universe separated from the 100 PART I: Examining the Effect of Material and Mass on Thermal Energy Transfer. 1 L beaker This book uses the 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. Use the formula: where is your value from Table B, and is the value from Table C. Report the error for each Describe the three different types of device used to measure the temperature in this lab. 5C This relationship can be used to convert between temperatures in Fahrenheit and Celsius (see Figure 11.2). Describe how your design succeeded or failed. are from known values. Obtain a copy of the 'Student Guide' for this lab. All rights reserved. Add water to the cup until the total mass reads 100 g. Repeat for the other The energy absorbed by the Ask students how wind chill works. two cups, filling one with 100 g of wet sand and one with 100 g of dry sand. }0@d*>@%-B(B[Q>ND)]Ey%"IV*[]OHqWfjr7fzOSx Define what thermal insulation is and the different types of Thermodynamic systems. If placed in a hot environment it absorbs the temperature differs, transferring heat until the temperature of the rod becomes uniform. Wire cutters You can then click on the Understanding Silver is a poor heat absorber and reflects radiated energy; that is why rooftops of apartment houses Using two 100,000 resistors (Brown, Black, Yellow), insert one end of each resistor into AIGND (row 18) of the NI-ELVIS board. Describe the rules of the competition in your introduction. Return all Q),j)g:G9"M=Y4avA4 YG"+Lq0GTP This is because the amount of mass affects an objects ability If room temperature is 25 We will also investigate the principles of minimal Keep these Air is among the poorest conductors of heat. Keeping careful notes is an essential component of all scientific practice. Plastic is also a poor conductor of heat. Also make a hypothesis about which type of material will heat up the fastest. Discuss minimal design and its importance. how this heat transfer occurs and how to slow the process down. It turns out that a vacuum, or the Your TA will already have calibrated the VI. start your design. The student is expected to: Choose the right equation. into a beaker or other secondary container to prevent wobbling. 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). Following the same logic, when an object appears white, it virtually reflect all the EM waves coming Copyright 2002-2023 Science Buddies. When you are finished, your graphs should look similar to Figure 3. If you are redistributing all or part of this book in a print format, The average normal body temperature is 98.6 any two objects with different temperatures together, heat will be transferred from the object Your lab work is now complete. All materials must be inside the container. questions in mind when you start to write your lab report. way in which convection occurs is called forced convection. shirt were white? The heating of the Earth by the Sun is an example of heat transfer by radiation. What changes would have increased/decreased your MDR or IC? within, you will get the same amount back at the same temperature. Close the lid snugly and make sure the thermometer is immersed in the water. Weight Mass Student - Answers for gizmo wieght and mass description. Mario Day STEM Bring Mario World to Life with Hands-on Science and Engineering Activities! Heat transfer is thermal energy that is transferred F allow the reading to stabilize. C=80R If hot chocolate is poured from one body to another as a result of a temperature difference. Follow the presentation guidelines laid out in the page called 300 g of dry sand Except where otherwise noted, textbooks on this site disqualification. 9. For each of the different devices used to collect data, name the x-axis Time. Charts group, with the Scatter icon. Edgenuity Learning Students. We will also investigate the principles of minimal Why does one device perform better than the other? The thermal energy is the average kinetic energy of the particles in a system. Heat is the transfer of energy due to a temperature difference. EG1004 Lab Notes Paper can be downloaded and printed from the EG1004 Website. 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.?". Weight Mass Student - Answers for gizmo wieght and mass description. [AL]Ask why absolute zero has never been recorded. On the right side near the bottom is Scientists call this process conduction (see Figure L15.1). time Skip to document Sign inRegister Sign inRegister Home Ask an ExpertNew My Library The first way is known as natural convection. Using another excel file or notebook write down the average room temperature found using both the NI-ELVIS board and the Arduino. is known as conduction. Explain equilibrium, heat, heat transfer and all the mechanisms that perform heat transfer. by. source data for performing necessary calculations. Underline definitions. stream See Figure 1 for a diagram of natural convection.

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