

| Subject: | Re: Global Warming My Vanagon? |
| From: | David Etter |
| Date: | Sat, 17 Mar 2007 07:00:47 -0600 |
That only applies if the ice was originally supported totally by
water. The bulk of the worlds ice lies on land.
David (dsl82westy)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>At 10:16 PM 3/16/2007, BA wrote...
>>You dis-remember the physics, but not by much. Ice floats with 10% of
>>itself above the level of water. Therefore 10% of the volume of ice
>>will contribute to raising the level of water.
>
>HAW! HAW! Disremember, yourself. Water expands when it freezes, making
>it less dense. The amount by which it expands (about 9.3% during the
>phase change) is exactly the amount above water when it floats.
>Floating ice which melts does not change the water level. Try the grade
>school experiment using ice cubes in a glass if you think otherwise.
>
>Because water expands when it freezes, it's important to use antifreeze
>in a WC Vanagon, else you risk breaking things when the weather gets
>cold.Have something to add on this topic today? Revive this thread in the forum »