About four huandred years - 已解决

About four huandred years ago,Mr.Bacon said that warm water

About four huandred years ago,Mr.Bacon said that warm water freezes more quickly than cold water.Bur few people belived him u_____ 1970.In that years Dr.Well,a well-known scientist ,found that Mr.Bacon was right .He filled o____ bowl with cold water,and the o____ with warm water.Then he exposed b______ to the same low temperature The warm water froze first.

The s______ was that the two bowls had to covers.Some of the warm water c______ into vapour .It went into the air .This m______ that less ot the warm water was l______ to freeze.So the warm water froze f_______ than the cold water though it had a greater temperature drop to make.

1.______2._______3._______4._______5._______6._______7._______8.______9._______10._______(开头字母已给出）

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About four huandred years ago,Mr.Bacon said that warm water freezes more quickly than cold water.Bur few people belived him u_____ 1970.In that years Dr.Well,a well-known scientist ,found that Mr.Bacon was right .He filled one o____ bowl with cold water,and the o____ with warm water.Then he exposed b______ to the same low temperature The warm water froze first

有问题的那一句打错了是he s______ was that the two bowls had no covers

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Warm water freezes more quickly than cold water.Sir Francis Bacon said that almost four hundred years ago.But few people believed him until 1970.In that year a Canadian scientist,George Kell,proved the English physicist was right.Dr.Ke1l filled an open bowl with cold water.He filled another with warm water.He exposed both to the same low temperatures.The warm water froze first.

The lack of covers on the bowls was the secret.Some of the warm water changed into vapour.It evaporated into the air.This meant that less of the warm water was left to freeze.And so the warm water froze faster than the cold water.

这个是原文,自己找下空白处...

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