Temperature and Oressure Effects on Water

How does temperature and pressure affect water behavior? This is my topic for the science fair. I became interested in my topic because I wanted to know why people in Minnesota left their outdoor faucets open in the winter. When I began to learn more, I became interested in the relationships between temperature, pressure, and water.
I think this information that I am researching is baluable to others because in our daily life, everyone needs to know the water behavior affected by temperature or pressure. …