build your own thermometer portfolio
Compare the temperatures for the different scales. Figure 1. Today, you are going to build your own thermometer and practice engineering by measuring the thermal energy of different conditions. 3. When we read a thermometer, we are reading a measure of how much thermal energy an object has. If the thermometer gains thermal energy from its surroundings, the liquid in the thermometer expands. Activity, High School The average kinetic energy of the particles that make up an object. When a thermometer touches another object, heat is transferred from the warmer object to the cooler object until their temperatures are equal. insulator: A material through which energy (electrical, thermal or sound) cannot be easily transferred. The teacher provides a measurement using a commercial thermometer. Temperature is how we measure thermal energy. (Grades Engineers use thermometers to measure the thermal energy of an object that is being used by people. Why do you think engineers use a thermometer? Engineers use all three scales, but for different applications. Engineers use temperature to design products, like a toaster.). thermal energy: The energy an object has due to the motion of its particles. Dictionary.com. Have students develop their own temperature scale names, perhaps degrees Cyndi or temperature measured in silly spots. What good is a fan to cool your room if it is also heating all of the air that passes through it? (Source of some vocabulary definitions, with some adaptation) http://www.dictionary.com, Make a Thermometer: Watch How a Simple Thermometer Works. Students learn about the nature of thermal energy, temperature and how materials store thermal energy. For more dramatic results, place the thermometer in a tub of warm water. What happens when you pull it out of the freezer into the warm air again? What exactly is a fundraising thermometer? PowerPoint Graphics Record this temperature on the worksheet next to the reading from their thermometers. To add a math component for upper grades, have students graph the change in classroom temperature throughout the day, using both thermometer readings. (Answer: Temperature) Yes, temperature is what is measured on a thermometer. When have you used a thermometer? They must understand how much heat is being given off by a bedroom lamp or a fan. Make observations to produce data to serve as the basis for evidence for an explanation of a phenomenon or test a design solution. Even though the liquid and the glass tube are at the same temperature, the liquid expands much more than the glass tube. Students learn the purpose of a fever in the body's immune system and how it protects the body against germs. Direct students to record their temperature scale information on their worksheets. All rights reserved. Warn students not to drink, or even taste, the rubbing alcohol, or the alcohol-water mixture. 5), Represent and solve problems involving multiplication and division. … absolute zero: The theoretical temperature at which substances possess no thermal energy; equal to -273.15°C, -459.67°F or 0°K. (Answer: To make sure the object is the right temperature, neither too hot nor too cold, for the item to function properly. Can you build a thermometer out of simple materials? Dashboard thermometer: An instrument for measuring temperature, especially one having a graduated glass tube with a bulb containing a liquid (often mercury or colored alcohol) that expands and rises in the tube as the temperature increases. Thanks for your feedback! The liquid inside a thermometer contracts when the temperature gets colder. In the Fahrenheit scale, water freezes at 32 degrees and boils at 212 degrees. When your group members see that you’re achieving your goals, the harder they’ll press on. www.teachengineering.org/activities/view/cub_energy2_lesson06_activity1, Search curriculum by Common Core standards, Energy Conservation: Considering Sources, Cost and Impact, Stop Heat from Escaping: Testing Insulation Materials, Greenewables: Making Renewable Energy Poster Presentations, Get Charged! You can also create other digital thermometers for your dashboards or download free thermometer PPT templates. Do you agree with this alignment? Fundraising Thermometer within type by subtype, then by grade, etc. Prepare a mixture of equal parts rubbing alcohol and water. Please fill in a valid value for all required fields. Discussion prompts: Do you see any correlations in your data when the temperature is cold and the fluid in your thermometer drops, or how the fluid rises with the introduction of heat? The liquid inside the thermometer contracts when the temperature gets cold. Then, have them carefully number the marks on their straw. Thanks for your feedback! Engineers use temperature as an indicator of how well a system is operating or if it is operating within its design limits. Here is an example after we inserted the thermometer in a PPT presentation. Compare the scale on your thermometer to the scale on the real thermometer. 4), Convert like measurement units within a given measurement system. a project of D2L (www.achievementstandards.org).

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