Ravi placed four rods made of different materials into a beaker of boiling water. A drop of wax was placed at the end of each rod. Which material will cause the wax to melt the FASTEST?
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Worked Solution
Step 1: Wax melts when it gains enough heat from the rod.
Step 2: The rod that conducts heat the fastest will melt the wax first.
Step 3: Metals are better conductors of heat than non-metals.
Step 4: Copper is a metal and an excellent conductor.
Correct answer: Copper
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