1. The Hydrological Cycle
How do humans alter it?
Why do humans alter it?
How does water get into the oceans?
Label Hydrology key words onto this diagram – NOW!

2. What does a dam do? – add the “So Whats”
What are the advantages of controlling the river? What are the disadvantages?
Why are water shortages a problem? Label what you can see!

3. How do these disrupt water supply?

4. Human activity disrupting water supply

5. Find the content for an answer
How can human activities disrupt water supply? [use examples in your answer.] 4 or 6 marks.
Over extraction for domestic and agricultural use means……..
Re-direction of water courses causes……
Construction of dams can disrupt supply downstream so less water for irrigation and a loss of crop production.
Deforestation can reduce precipitation levels ……
Waste disposal can contaminate important water sources. ……………….