Question

Conceptual What happens to the temperature when the water reaches its melting point? 1. 1. Create a heating curve of temperature v. time for water in Exploration 1. Select three different colors to represent changes in temperature over time as the heat energy input changes in each of the three trials. How does varying the heat energy affect the resulting temperature v. time graph? You can attach your graph or just state your observation based on the question asked. Conceptual Using a scratch paper or Microsoft excel, create a heating curve graph of temperature v. time for water in Exploration 2. Select three different colors to represent changes in temperature over time as the mass of water in each of the three trials changes. How does increasing the mass of water affect the resulting temperature v. time graph? You can attach your graph or just state your observation based on the question asked. 2. 3. Does the ice melt faster when the mass is higher or lower? Explain. Compare and contrast the appearance of these graphs when the water melts with when the water boils. Explain. 4. Conceptual 5. Graph the heating curves of temperature v. time for water (Exploration D and eth glycerol (Exploration 3). Select three different colors to represent changes in temperature over time for water, ethanol, and glycerol respectively. Compare the graph trends for three substances. You can attach your graph or just state your observation based on the question asked. the 1. Analyze your graphs to compare and contrast the behavior of glycerol to the behavior of water Conclusions do variations in the heat source, the mass, and the type of substance heated affect heating (2pts) How curveS Inquiry Extension Will food cook faster if the water boils rapidly? Compare the rate at which food cooks when water is boiling slowly to when it boils rapidly (2pts)

Answer 1

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