Welcome to the module on Water.

At the end of this module you should:
1. Know why water is such a useful solvent and coolant. 
2. Be able to explain what a polar molecule is. 
3. Understand the difference between a polar and non-polar solvent. 
4. Understand water surface tension.  
5. Understand the density of water. 
6. Understand osmosis. 
7. Know what hard water is and how to test for it.