sentences: if heat is conducted to an object then that object will become hot & a spoon is a kind of object ->  if heat is conducted to a spoon then that spoon will become hot  metal is a thermal conductor & spoons are usually made of metal ->  spoons are usually thermal conductor  hot chocolate is a kind of liquid & if a spoon is used to stir a liquid then that spoon is touching that liquid ->  if a spoon is used to stir hot chocolate then that spoon is touching that liquid  if a spoon is used to stir hot chocolate then that spoon is touching that liquid & metal is a thermal conductor1 & touching is similar to being exposed to ->  a spoon is exposed to the hot chocolate  hot chocolate is kind of hot substance & a hot substance is a source of heat ->  the cup of hot substance is a source of heat  spoons are usually thermal conductor & a spoon is exposed to the hot chocolate & the cup of hot substance is a source of heat ->  the spoon being exposed to the hot chocolate is an example of thermal conductor being exposed to a source of heat  the spoon being exposed to the hot chocolate is an example of thermal conductor being exposed to a source of heat & metal is a thermal conductor0 ->  the spoon in the hot chocolate will become hot  if heat is conducted to a spoon then that spoon will become hot & the spoon in the hot chocolate will become hot -> heat is transferred to the spoon from the hot chocolate through conduction