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Easy supplies! This lab results in wonderful graphs that clearly show how different containers lose thermal energy at different rates. Also nicely shows that heat transfer occurs until equilibrium. >strong>NGSS MS-PS3-3 MS-PS3-4
In this lab, students put hot and cold water (separately) in Styrofoam cups, steel soup cans, and glass beakers. (Ask kids to bring in clean soup cans - then you have to eat less soup!) Students measure the temperature of the hot and cold water in the different containers over the course of one class period, and record their data. Because there is time between temperature readings, students are given a detailed drawing assignment (related to the experiment) to complete between readings. Then, students make 3 graphs - one for each container type - with a line for hot water and a line for cold water readings on each container type graph. (The graphs are provided so students only have to label the axis and plot their data.) There are also 5 analysis questions, including a Claims/Evidence/Reasoning section.