Describe the structure of the water molecule.
How big is a molecule of water?
Why are the hydrogen and oxygen atoms so hard to separate?
What does di-polar mean, and how does it relate to water?
What is surface tension? Give an example of a way in which it works.
What is capillary action, and what does it do?
How much does water expand when it freezes?
Why does ice float?
What could possibly happen if ice didn't float, but sunk?
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