After the "Hydrosphere and Hydrologic Cycles" lecture and readings you should be able to answer and discuss the following questions.

What is the chemical formula for water?

What is the phase change process as a material goes from a gas to a liquid?

What is the phase change process as a material goes from a gas to a solid?

What is the phase change process as a material goes from a solid to a liquid?

What is the phase change process as a material goes from a solid to a gas?

What is the phase change process as a material goes from a liquid to a gas?

What is the phase change process as a material goes from a liquid to a solid?

Why is water unusual in its physical properties?

What is so special about the presence of water on Earth?

Where is most of the world's water supply located?

What is the largest reservoir of fresh water?

From where does most of the fresh water used in the world come?

What is the Hydrologic Cycle?

Describe evaporation, transportation, precipitation and runoff as it relates to the Hydrologic Cycle?

What is the Global Water Balance?

How can human activity increase and decrease evaporation?

How can human activity increase and decrease precipitation?

How can human activity increase and decrease runoff?

---