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The two blocks look identical but one feels colder than the other yet they are both at room temperature.

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PHYSICS
4B20.230 Amazing Ice Melting Blocks Rating:

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Description: Two blocks appear identical. To the touch one feels colder than the other yet both are at room temperature. An ice cube is placed on each and one melts much faster than the other.
Room:PS F175 Location: Bd4 Sublocation:
Type: demo Date Added:6/2/2004 Condition:
Quantity:1 Complete: Last updated: 6/2/2004
Purpose: To demonstrate thermal conductivity properties of two objects. One has a high thermal conductivity and the other does not.
Safety Issues: Disclaimer (Warning - work in progress - may be incomplete)
Equipment Issues:
Parts:
Copyright © 2000 Instructions:
Have a student volunteer hold each block and ask which is warmer and is cooler.
Show that the temperature of both is room temperature.
Place O rings on each block an place ice cubes on the block. The O rings are to keep the ice from sliding off.
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