Sci 207 Week 5 Lab Report

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Lab 5 – Weather and Climate Change Lab 5 - Demonstration 1: Modeling the Water Cycle POST LAB QUESTIONS 1. Which water cycle processes are represented in this model and by what components? Answer = Condensation and evaporation are represented in this model. The warm water evaporated and condensation formed inside of the jar under the lid because of the ice in the petri dish on top. 2. Which water cycle processes are not represented? How could the model be altered to include each of these processes? Answer = The water cycle processes that were not represented in this demonstration were sublimation, precipitation, transpiration, surface run-off, infiltration, and percolation. This model could not be altered to include each of these processes because it would require additional items like soil, plants, and a larger jar. 3. How would the “weather” be affected if the water was at a decreased temperature? How would the “weather” be affected if the water temperature were increased? Answer = The weather would be calm in decreased temperatures because you don’t see condensation or evaporation happening when the temperature is cooler. The weather would produce more condensation and more evaporation if the temperatures increased. I think this because let’s say you have a cold can of soda. When you take it out of the refrigerator it’s cold. After a few minutes you start to see the condensation forming on the outside of the can as the can’s temperature changes because it’s no longer in the refrigerator. Experiment 1: Water Movement POST LAB QUESTIONS 1. Develop a hypothesis predicting the effect of sunlight on evaporation? Hypothesis = If one bag is filled with sand and water and placed in the sun, it will cause condensation and evaporation after some time. If another bag is

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