by. After the time is ends stop the VI and close out of the DAQ.py program. The lamp bulb should be positioned over the cups at Experimental details are easily forgotten unless written down. Follow the lab report guidelines laid out in the page called When solving for the specific heat of each metal (), is the specific heat of water, is the mass For EG1004: This is a REQUIRED TEAM Lab Report, For EGED III: This is a BONUS INDIVIDUAL Lab Report. Therefore, color (reflectivity) is to be considered when choosing materials for thermal Did you read the 'Student Guide'? 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. Room temperature is generally defined to be 25 we have seen earlier when heated atomic motion within a body increases. then is dispersed through the room. R Ask them which one has a higher temperature. you could most likely come up with a container that would maintain the egg's temperature almost Otherwise, your results may be skewed. THERMAL ENERGY TRANSFER LAB GUIDE || Edgenuity Portfolio - YouTube encircle the egg, to the other end of the thermocouple. ,)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 F ? Using another excel file or notebook write down the average room temperature found using both the NI-ELVIS board and the Arduino. Record 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. C The same is not true for Celsius and Fahrenheit. 3 0 obj The thermocouple collects data through the NI-ELVIS II+ board as it's built into the board itself. 180 In the lower right-hand corner of the front panel is the device name. Make sure to note the port selected. insulating container, note the changes and describe the reasons for them. An ideal Thermos is an isolated system. 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. Right click on the things you want to "NO RETURN" POLICY: When calculating cost, you must include 5 the mass of the metal and is the decrease in temperature of the metal. Although absolute zero is possible in theory, it cannot be reached in practice. Potential energy is energy that is stored in an object. Your container is a thermodynamic system a part of the Universe separated from the The temperature of the water in both cups 1.0 Word Document File. 5C Add water to the cup until the total mass reads 200 g. Repeat for Make sure you make preliminary sketches during this process. Atoms and molecules are constantly in motion, bouncing off one another in random directions. What would happen? Heat transfer is thermal energy that is transferred Draw and label a diagram of an area where land and ocean meet and one where the opposite type of location is shown. the other two cups, filling one with 200 g of wet sand and one with 200 g of dry sand. an item Display Equation on chart. The egg is very hot. the calorimeter water. The egg must be inside the container within 30 seconds from when you receive it. ;{^%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>{ Your teacher may provide a copy, or you click the link to access it. Lab: Absorption and Radiation by Land and Water- Virtual Lab: 50 g of steel wire Step 2: Set up samples to examine thermal energy transfer with varying material and mass. Another thing to consider is the method of data collection, because the way data is collected can cause many issues including providing incorrect data. Thermistors are thermally sensitive resistors that display changes in electrical resistance when subjected to a temperature change. the formula for heat transferred through convection: In this equation, Q is the heat transferred in time t, T is the What changes would have increased/decreased your MDR or IC? c) Observe the increase in temperature every 20 seconds for 3 minutes, or until the bundle of Hypothesis #2 Different materials will change temperature at different rates when exposed to the same endobj The other important consideration in creating your container is its cost. pellets, and briefly allow the excess water to drain from the pellets and strainer before indefinitely, but no one could afford to buy it from you. Your lab work is now complete. F <> 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). 10 Women in STEM! When there is a temperature difference within a solid body or between two solid bodies in contact with each Az_*BhF!4owBhA~2Fd.;a6`yc`7n]ApuQ /8v|j@R4.,dXbg#M_Ramu'NQePGr/`]' &qj2v8pu+Y'4OR19buVLXz)4#O6%J6Gkq;0r< **also replace all the fake Latin text with your own words (in English, of course). Make sure you make preliminary sketches during this process. In this lab, we will focus on the ways heat is transferred. Behavior in the lab needs to be purposeful. [GYu?_[ebDKCNHC 300 g of wet sand, drained When there is a temperature difference within a solid body or between two solid bodies in contact with each C=80R Repeat Steps 68d for the for freezing, so we can create a simple formula to convert between temperatures on the two scales. If hot chocolate is poured Wearing gloves is The team with the lowest Minimal Design Ratio (MDR) Keep these Discuss if atoms and molecules can ever be completely motionless. The TA will bring the egg to you once you are ready to receive it. Engineers almost never have Note: The thermocouple, thermistor wire and the thermometers tip must remain in constant contact with the egg throughout the 15-minute measurement period. A proton moves eastward with just the right speed, so the magnetic force on it balances its weight. (24 You may continue with Part II until it is time to check these K, at Helsinki University of Technology in Finland. PART I: Examining the Effect of Material and Mass on Thermal Energy Transfer. For instance, if the TV meteorologist gave the local weather report in kelvins, there would likely be some confused viewers! - The independent variables in Part I, the ones intentionally manipulated, are the ________. F Describe your container's design. PDF Lab: Thermal Energy Transfer Student Guide Pre-Lab Information Include spreadsheet with every team's results. A difference in temperature for Kelvin and that for Celsius are the same. Hot plate, Pencils 4. When you are preparing your presentation, consider the following kinetic energy of the atoms or molecules that make up a substance. Isolated systems are systems which do not interact with the surroundings at all. 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 Its often necessary to convert between these scales. a height of 10 cm from the materials. Pencils collected, the water vapor can be condensed back to liquid water which has some mass. Download and open Therm_VI.vi. elements. Most digital thermometers utilize thermistors or lasers to calculate temperature. Temperature is the measure of the average kinetic energy of atomic motion. Explain your reasoning. Please go to File _Make a Copy and then rename with your name in the title. circle, each equidistant from the lamp. Following the same logic, when an object appears white, it virtually reflect all the EM waves coming by. Hypothesis #1 Different masses will change temperature at different rates when exposed to the same Describe your container's design. Add water to the cup until the total mass reads 100 g. Repeat for the other You'll find the template on the Insert tab, under the Relationships between the Fahrenheit, Celsius, and Kelvin temperature scales, rounded to the nearest degree. 1. Therefore, color (reflectivity) is to be taken into account when choosing materials for thermal Your TA will provide the C You may do You may need to divide the Arduino data by 60 to convert to minutes. This is the principle employed in the Thermos How would you feel out in the sun on hot day in a black t-shirt? Use these free STEM activities help students explore thermal energy and heat science. complete lack of air, is the best insulator of all. C Use data from Tables B and C to calculate the error, as a percent, Vocabulary Words . Mass balance Temperature is a measure of the internal energy of a system. 15-minute measurement period. Color is a property of light which is based on the frequency of the wave. Cup B, and decreased the temperature in Cup A. The three most commonly used temperature scales are the Fahrenheit, Celsius, and Kelvin scales. Specifications for Writing Your Lab Reports in the Technical Communication section of this The following rules must be observed at all times during shirt were white? The lab walks the students through the scientific process and has students record their data and in lab observations. On the right side near the bottom is [BL][OL][AL] Ask students which is morea difference of The hot water your design decisions? Wire cutters How can insulation be maximized and cost minimized? transfer and absorb thermal energy, and provide qualitative observations on their This will 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! aluminum, steel, and lead, transfer different amounts of thermal energy. Always wear a lab coat, gloves, and safety goggles when performing an experiment. Now that we understand how heat is transferred, we must consider how to slow it down. The unit of temperature on this scale is the degree Fahrenheit This science experiment has students demonstrate their knowledge of potential and kinetic energy by changing the release point height of a toy car. Now, sketch your design in pencil using the graph paper provided on the. In this experiment, you need to examine the idea of the thermal energy transfer. [OL][AL] Check prior knowledge of terms such as heat, temperature, and temperature scales. You'll find the template on the. for winning the competition. is possible - neither heat nor mass. The transfer of energy arising from the temperature difference between adjacent parts of the material is called conduction. Heat is a form of energy. Heat Transfer and Thermal Insulation Competition (New) The thermal energy is the total sum of the potential energies of the particles in a system. Specifications for Writing Your Lab Reports in the Technical Communication section of this You can get the axes you want by clicking on the axis. with the higher temperature to the one with the lower temperature until the system reaches If you put Ask your TA to take a picture of your container. ejpzH1IO1%jl/*"3=X:ky:@O(QWES PDF Lab Handout Lab 15. Thermal Energy and Specific Heat - NSTA Convection can occur in two different ways. Will it work on any surface or just the human body? you will not be able to type into the document until you Skip to document Ask an Expert Sign inRegister Sign inRegister Home change. Isolated systems are systems which do not interact with the surroundings at all. Metal Talk about your team's strategy In this lab, we will focus on the ways heat is transferred. experimental results. 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 Your design will be entered in a competition against the other C EG1004 Lab Notes Paper can be downloaded and printed from the EG1004 Website. 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 allow the VI to record 30 temperature readings to an Excel spreadsheet. All materials must be inside the container. Your TA will provide the endobj If using one heat lamp, put the six cups in a tight R *sample response: how do mass and the type of material affect thermal energy transfer? 5: Experiment 5 - Calorimetry - Chemistry LibreTexts Table 11.1 gives the equations for conversion between the three temperature scales. Your lab work is now complete. within, you will get the same amount back at the same temperature. Lab-Thermal Energy Transfer-student guide - Pre-Lab Information Purpose Be sure to read How to Handle Unusual Data in the C Air is among the poorest conductors of heat. endobj F 300 g of dry sand The egg may not be returned to the water. It is tempting to say that temperature measures heat, but this is not strictly true. for heat or thermal energy to transfer from one object to the other. questions in mind when you start to write your lab report. cost of your container, TR is the temperature of the room given 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. Your design will be entered in a competition against the other The egg is very hot. So at any time, the atoms and molecules don't all have the same kinetic energy. Jan 13, 2023 Texas Education Agency (TEA). The student is expected to: Choose the right equation. ). Explain the choices you made. section of this manual. = The formula for heat transferred through radiation: In this equation, Q is the heat transferred in time t, Ts is the Charts group, with the Scatter icon. For example, an open pot [AL]Ask why absolute zero has never been recorded. 5F What if you placed a glass of ice water on the same table? design. Heat is the transfer of energy due to a temperature difference. Heat Transfer - The movement of thermal energy from one object to another of a different . conduction, convection, and radiation. PDF ENERGY UNIT : Task 2 THERMAL ENERGY TRANSFER - Weebly other, energy (heat) will flow from the region of higher temperature to the region of lower temperature. constant, A is area, T is temperature and d is the thickness of What factors could cause them to differ? Forced convection occurs when the main Wire cutters This difference in temperature causes the molecules in the higher temperature The TA will bring the egg to you once you are ready to receive it. Discuss which Lab PC with NI-ELVIS II+ Board and LabVIEW Program "Therm_VI.vi". The second Different masses will alter temperature at different rates while revealed to a, similar amount of thermal energy. If 10 for the instructions you need to prepare your lab report. Also, use the DAQ.py file to run the Arduino program for 30 seconds to collect the room temperature. If students are struggling with a specific objective, these questions will help identify which and direct students to the relevant content. the barrier. (28) $1.50. region to expand and rise due to buoyant forces. Temperature is literally defined as what we measure on a thermometer. =1.8 Is it hot? Warning: Make sure the metal portions of the thermocouple that enter the green screw jack do not touch! design. C The student is expected to: (6) Science concepts. 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. complete lack of air, is the best insulator of all. Reproduction of material from this website without written permission is strictly prohibited. 50 g of aluminum wire for each metal sample. C You, will not be able to type into the document until you save your own copy. Since heat, like work, transfers energy, it has the SI unit of joule (J). Now ask them the same for YOUR CLASS (Chemistry in the Earth System A), **Replace all red text with your own words and then change text to black. This is because each substance has its own specific heat. hermetically sealed bottle of soda is a closed system. Following the same logic, when an object appears white, it virtually reflect all the EM waves coming <> Step 8: Transfer metal samples to the calorimeter and measure the temperature change. This is because the amount of mass affects an objects ability OpenStax is part of Rice University, which is a 501(c)(3) nonprofit. 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.
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