Place a steel spoon a copper strip or rod, a divider from your compass box, a pencil and a plastic ruler in a glass beaker. pour hot water (heated up to 60 degree -70 degree c) into the beaker. Wait for awhile. Then touch the outer end of each of the objects. Record your observations in the table given below.
Answers
1 ) Steel spoon
2) Copper strip
3) Rod of iron
4)Divider
Other ends will not be heated in the following
1 ) Pencil
2) plastic ruler
Other end will be heated in the following
1 ) Steel spoon
2) Copper strip
3) Rod of iron
4)Divider
Other ends will not be heated in the following
1 ) Pencil
2) plastic ruler
Heat is "disorganized" kinetic energy. Moving molecules have kinetic energy. If they are all moving in the same direction in a uniform manner, we have many ways to use this energy (the destructive energy of an artillery shell, electrical energy drawn by wind turbines from moving air, etc.). molecules move randomly, we can't use this energy so easily. Basically, we call this unorganized kinetic energy heat. We can capture some of this with things like Stirling engines and so on, but the laws of thermodynamics put a hard limit on the efficiency of this process.
Heat flows to achieve thermal stability. The reason why heat flows from one body to another is a temperature difference. Once the temperature has leveled off. The flow stops.
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