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Filling a water bottle all the way to the top and tightening the cap is not a good idea if you plan to freeze it.Why?

User Closet
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2 Answers

6 votes
because when water is frozen it expands and that will break the water bottle

User Pulsara Sandeepa
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Because if u freeze it the water, it takes all the air out of the bottle. When the water freezes it rises to the top and it will probably make the water bottle crack or break. Happy to help!! :) :)
User Annamarie
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