Two metal blocks that have slightly different temperatures are placed next to one another. After five minutes, they both have lower but equal temperatures. According to the law of conservation of energy, what most likely happened?

Energy was created inside the blocks.

Energy was destroyed inside the blocks.

Energy was absorbed into the blocks from outside
the system.
Energy was transferred from the warmer block to the cooler block.

Question

Two metal blocks that have slightly different temperatures are placed next to one another. After five minutes, they both have lower but equal temperatures. According to the law of conservation of energy, what most likely happened?

Energy was created inside the blocks.

Energy was destroyed inside the blocks.

Energy was absorbed into the blocks from outside 
the system.
Energy was transferred from the warmer block to the cooler block.

anonymous · Answer

@waxynaveed

anonymous · Answer

energy was transfered from warmer block to cooler block