Temperature Change Lab Report Essay
The purpose of this lab is to determine an accurate time when the ice completely melts and the water starts to boil. The problem is which type of temperature change will result from heating ice to liquid, then boil (steam)? What will happen to the water after the boil? I hypothesise the water heats ice to liquid and then goes to simmer and boil. The independent variable is the hot plate changed to a burner itself. The dependent variable is what we are measuring is the time. The steps in the lab were to first start off with a burner, ice and water in a beaker, then record time and water temperature. Also, some phase changes in between. Our results were immediate, leading to safe and what I hoped would have happened. The difference between my data and the class’s data would have been a different amount of time the water took to boil. My result did agree with my hypothesis. There has been an error in the measuring since
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For example this lab had endothermic and exothermic reactions. Endothermic reaction was the heat and energy flowing into the water and around the beaker; bringing it to a boil point. Where the particles move faster usually collide more frequently and some particles tend to leave the liquid. Exothermic reaction was the heat coming from the water that made the phase changes. Since this was a physical change it was reversible, no new substance was created, and no color change. occurred.
I didn’t have to make any changes to my original hypothesis as I collected more information and data. It is important to reevaluate your hypothesis in experiments like this because if there were any changes made you can study your hypothesis. A hypothesis doesn’t have to be correct or accurate, it’s just basically a simple prediction. In addition, reevaluating your hypothesis is important you get a chance to back track and modify any changes made
For example this lab had endothermic and exothermic reactions. Endothermic reaction was the heat and energy flowing into the water and around the beaker; bringing it to a boil point. Where the particles move faster usually collide more frequently and some particles tend to leave the liquid. Exothermic reaction was the heat coming from the water that made the phase changes. Since this was a physical change it was reversible, no new substance was created, and no color change. occurred.
I didn’t have to make any changes to my original hypothesis as I collected more information and data. It is important to reevaluate your hypothesis in experiments like this because if there were any changes made you can study your hypothesis. A hypothesis doesn’t have to be correct or accurate, it’s just basically a simple prediction. In addition, reevaluating your hypothesis is important you get a chance to back track and modify any changes made