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What does the experiment shown in the diagram tell us about the transfer of heat energy in water? If you wanted to warm all of the water why would the bottom of the test tube be the best place to heat with the Bunsen flame? Why? - Junior Cycle Science - Question g - 2007
Question g
What does the experiment shown in the diagram tell us about the transfer of heat energy in water? If you wanted to warm all of the water why would the bottom of the... show full transcript
Worked Solution & Example Answer:What does the experiment shown in the diagram tell us about the transfer of heat energy in water? If you wanted to warm all of the water why would the bottom of the test tube be the best place to heat with the Bunsen flame? Why? - Junior Cycle Science - Question g - 2007
Step 1
What does the experiment shown in the diagram tell us about the transfer of heat energy in water?
Answer
The experiment indicates that water is a poor conductor of heat. This means that heat does not easily pass through water, which requires a different method of energy transfer. Instead, water transfers heat energy mainly through convection, where warmer, less dense water rises while cooler, denser water sinks, creating a current that helps distribute heat.
Step 2
If you wanted to warm all of the water why would the bottom of the test tube be the best place to heat with the Bunsen flame?
Answer
Heating the bottom of the test tube is ideal because it directly applies the heat to the water closest to the flame. As the bottom water heats up, it becomes less dense and rises, allowing cooler water to descend and take its place. This process efficiently circulates heat throughout the entire body of water.
Step 3