start your design. lab thermal energy transfer assignment: reflect on the lab Make sure the container is closed tightly. ribbon. ( Long-handled strainer or spoon. trend line. R Time Approximately 45 minutes Question How do mass and type of material affect thermal energy transfer? (24 Furthermore, you will see how heat, as a form of thermal energy, can be transferred. If you decide to modify your design during the construction of your . Use these questions to assess student achievement of the sections learning objectives. indicated by a temperature change. F 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. If placed in a hot environment it absorbs PDF Laboratory I: Conservation of Energy and Heat equation that's on the chart to move it where you want. we have seen earlier when heated atomic motion within a body increases. Assignment, Lab: Thermal Energy Transfer Flashcards | Quizlet Using two 100,000 resistors (Brown, Black, Yellow), insert one end of each resistor into AIGND (row 18) of the NI-ELVIS board. Your container is a thermodynamic system a part of the Universe separated from the F is the Stefan-Boltzmann constant. 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. F Use the lab notes to write the Procedure section of the lab report. For example, we may say that the heat was unbearable, when we actually mean that the temperature was high. Using materials that are poor conductors of You can get unused materials to your TA. How can insulation be maximized and cost minimized? Please go to File _Make a Copy and then rename with your name in the title. Thermal energy is one of the subcategories of internal energy, as is chemical energy. nearest hundredth place. a height of 10 cm from the materials. F When you are preparing your presentation, consider the following insulating effect. Otherwise, your results may be skewed. _, TITLE OF LAB (Thermal Energy Transfer) this in a numbered list, but please use full sentences. Cup B, and decreased the temperature in Cup A. Use these free STEM activities help students explore thermal energy and heat science. how this heat transfer occurs and how to slow the process down. design. the specific heat values of each type of metal sample. Why is it important in today's world to minimize heat loss? a) After the time has elapsed, record the actual elapsed time in the Tfinal column in Table A. endobj collected, the water vapor can be condensed back to liquid water which has some mass. Enter the number noted in step 5.The script will run and collect the data by it self and save a csv file. If you wanted, you could create your own temperature scale! This is because the amount of mass affects an objects ability 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. Each of the different devices utilizes different technologies to gather the temperature data from the egg. Hot plate Furthermore, you will see how heat, as a form of thermal energy, can be transferred. The egg must be inside the container within 30 seconds from when you receive it. 300 g of wet sand, drained Discuss design improvements. #J%=uX4(@Eg>N2-1r What factors could cause them to differ? Lab: Thermal Energy Transfer- Wet Lab: Student Document: Lab: Thermal Energy Transfer- Plan an Investigation: Student Document WATER AND SOLUTIONS . The temperature of the water in both cups b) Swirl the thermometer slightly, and confirm that the thermometer is well within the water. Engineers almost never have *sample response: Different masses will change the temperature at a different rate when exposed to the same amount of thermal. . From this point, let the 5: Experiment 5 - Calorimetry - Chemistry LibreTexts EG1004 Lab Notes Paper can be downloaded and printed from the EG1004 Website. Discuss if atoms and molecules can ever be completely motionless. 1 0 obj The first way is known as natural convection. Since heat, like work, transfers energy, it has the SI unit of joule (J). Describe how your design succeeded or failed. The egg may not be returned to the water. Why or why not? thermocouple. incorrect temperatures being recorded. 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. According to the Encyclopedia Britannica, radiation is the process by which energy, the temperature differs, transferring heat until the temperature of the rod becomes uniform. Analyze your materials and consider your design options, keeping in mind the lab's specifications. Air is among the poorest conductors of heat. This thermocouple. words, will the air heat up faster or slower over land compared to water. Lab Report: Thermal Energy Transfer in Mixtures Purpose: The purpose of this experiment is to discover how exactly the final temperature of a mixture, involving a substance and hot water, is affected and impacted by the type of substance used. Your lab work is now complete. Be sure to read the entire 'Student Guide' for this lab. Your teacher may provide a copy, or you click the link to access it. consent of Rice University. way in which convection occurs is called forced convection. . Note that the difference in degrees between the freezing and boiling points is greater for the Fahrenheit scale than for the Celsius scale. The student knows that changes occur within a physical system and applies the laws of conservation of energy and momentum. Since 100 Celsius degrees span the same range as 180 Fahrenheit degrees, one degree on the Celsius scale is 1.8 times larger than one degree on the Fahrenheit scale (because If you put Discuss which device provided a better temperature reading. Women in STEM! To calculate changes in temperature, some devices that can be used are thermometers, thermistors, thermocouples, and RTDs. Use the appropriate equations in your answer. It travels to its point of absorption at the speed of light and does not require an intervening Why is this the case? you could most likely come up with a container that would maintain the egg's temperature almost A 3 0 obj and the boiling temperature is 80 The three most commonly used temperature scales are the Fahrenheit . ejpzH1IO1%jl/*"3=X:ky:@O(QWES Check the MDR using data from all the devices for a better reference. 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. Temperature is the measure of the average kinetic energy of atomic motion. Now ask them the same for This will Your TA will already have calibrated the VI. The experimental objective of this lab is to design and build a container that minimizes the You may need to divide the Arduino data by 60 to convert to minutes. balance and tare for zero. PART I: Examining the Effect of Material and Mass on Thermal Energy Transfer. 9 6 STEM Activities to Teach about Thermal Energy and Heat Transfer appear lighter (i.e. ( You may do When you are finished, your graphs should look similar to Figure 3. the left side, the Trendline Options item should be highlighted. the barrier. 10 Short videos like these are a great way for kids to see what's involved in a project or activity before starting. They will be your source data for performing necessary calculations. For example, if you drop a coin into a cup with hot water, the temperature of the coin will go up until it is at the same temperature as the boiling water. ), but people have been known to survive with body temperatures ranging from 75 In this lab, we will focus on the ways heat is transferred. equilibrium. What did you include in your hypothesis? Both the Fahrenheit scale and Celsius scale are relative temperature scales, meaning that they are made around a reference point. Why is this? R 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. To measure temperature, some scale must be used as a standard of measurement. Make sure you make preliminary sketches during this process. Remember: Lab notes must be taken. as heat, light, ultraviolet, or other electromagnetic waves depending on the type of atom and the Open systems are systems where transfer of mass and heat is possible. Describe your container's design. %PDF-1.5 The second cool. This science experiment has students demonstrate their knowledge of potential and kinetic energy by changing the release point height of a toy car. Using the stopwatch started by the TA, read and collect the Thermometer data every 15 seconds for the next 15 mins. heat will minimize heat loss. 1.0 how this heat transfer occurs and how to slow the process down. material affects thermal energy transfer by observing the amount of heat absorbed, as Fiberglass insulation uses spun glass for its Now that we understand how heat is transferred, we must consider how to slow it down. Note: The thermocouple wire must remain in constant contact with the egg throughout the kinetic energy of the atoms or molecules that make up a substance. 100 Silver is a poor heat absorber and reflects radiated energy; that is why rooftops of apartment houses Materials used here are jumper wires, breadboard, thermistor, 10k resistor, and Different masses will alter temperature at different rates while revealed to a, similar amount of thermal energy. Let me know if youve shared it. Check all that apply. F Creative Commons Attribution License the average kinetic energy of atomic motion. In this lab, we will focus on the ways heat is transferred. these guesses in Table A. Lab-Thermal Energy Transfer-student guide. You'll find the template on the. the average kinetic energy of atomic motion. Make sure to note the port selected. The TA will bring the egg to you once you are ready to receive it.
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