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The tempature of the water in the bucket and the water in the cup were different at the beginning because one of them had very cold water in it, and the other one had really warm water in it. What happened to the tempature of the cold water was it got warmer over time, but the hot water did the opposite and cooled down. The graph showed what happened because it showed the cold water getting warmer, and the warm water started to cool down also. The lines started out really far away from each other, then over the course of fifteen minutes, they started to get closer together. What made the cold water get warm so fast was the fact that it was right next to really warm water. What made the warm water a little cooler was the fact that it was right next to cold water. After 20 minutes, I think the warm water would be 45 degrees ferinhight, and the cold would be 52 degrees ferinhight. The food helped because it showed me that the cold water doesn't get warm because the warm water goes through the cup and in the cold water, but because the warm water has heat around it. I know this because the cold water didn't have red die in it.