Heat Energy Investigation :: Papers

Heat Energy Investigation In this experiment we get out as rightly as possible measure the voltage, current, time, start temperature, final temperature and the mass of 7 diametrical substances. We will measure the voltage to make the experiment more than accurate, we will do this by making sure that every time we do an experiment we will keep the volts to 12v and nothing else, as this could affect the overall result. It is also wanted as part of an equation that will be done later on. We will measure the time, start temperature and final temperature because we again wishing it as part of an equation, which will help us to find out how a great deal energy was needed to make the substance rise by 1o. We need to know the mass of the substance to make it a fair test and as part of the equation. We intend to safely heat up seven different substances these are steel, oil, water, brass, aluminium, sand and copper. They will be heated to a final tempera ture of 50oc. We will then do some equation to find out how much energy is needed to make each substance go up by 1o. I predict that the oil and water which are both liquids will take more energy to heat up than the solids. Because the bonds in the liquids are free flowing and therefore when the substances are heated there is a littler knock on effect than in the solid substances. By using class results as well as our own we will be adequate to get a good set of results and will also be able to find out how accurate our own results were. To make the results as accurate as is possible we will not let the metals get too hot and with the liquids we shall stir it so that there is an even temperature throughout. Once we have our measurements E.g. stigma Voltage = 12v Current = 3.57A Time = 5m 10 sec (310 sec)