"Environmental Science hydrological cycle": HTML5 Crossword

Across

4. What is the name for a rock which stores water? (7)
5. What is the most common chemical for sterilising water? (8)
6. What is another word for potable water? (9)
8. What is the name for the process of any form of water falling from the sky? (13)
9. What is the name for the process of water moving through soil? (12)
10. What is a human activity which impacts the hydrological cycle? (13)
11. What does urbanisation increase the risk of? (8)
12. What is the name of the process of water evaporating from plants? (13)
13. What is the name for the process of making salty water potable? (12)
14. What is the name for the process of water moving through rocks? (11)

Down

1. What tank allows unsettled suspended sediment to settle? (8)
2. What is the name of the process of water turning from liquid to gas? (11)
3. What is the name for adding dissolved oxygen to water? (8)
7. What process does agriculture effect? (18)