阅读填空About fuor hundred years ago,Mr Bacon said that warm wat
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阅读填空
About fuor hundred years ago,Mr Bacon said that warm water freezes more quickly than cold water.But few people believed him u___1___ 1970.In that year,Dr.Kell,a well-known scientist,found that Mr Bacon was r___2___.He filled one o___3___ bowl with cold water,and the o___4___ with warm water.Then he exposed b___5___ to the same low temperature.The warm water froze first.
The s___6___ was that the tow bowls had no covers.Some of the warm c___7___ into vapor.It went into the air .This m___8___ that less of water was l___9___ to freeze.So the warm water froze f___10___ than the cold water though it had a greater temperature drop to make.
About fuor hundred years ago,Mr Bacon said that warm water freezes more quickly than cold water.But few people believed him u___1___ 1970.In that year,Dr.Kell,a well-known scientist,found that Mr Bacon was r___2___.He filled one o___3___ bowl with cold water,and the o___4___ with warm water.Then he exposed b___5___ to the same low temperature.The warm water froze first.
The s___6___ was that the tow bowls had no covers.Some of the warm c___7___ into vapor.It went into the air .This m___8___ that less of water was l___9___ to freeze.So the warm water froze f___10___ than the cold water though it had a greater temperature drop to make.
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阅读填空About fuor hundred years ago,Mr Bacon said that warm wat
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