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Hydrology
“Hydro” means water
“logy” means the study of
Frank Beckwith [email protected]
Avalon Middle School SSS Standard SC A.1.3.5
The Big Picture The Hydrosphere is one of the five
“Spheres”That make up the Earth System
Earth
Hydrosphere Atmosphere Lithosphere Celestial Sphere Biosphere
Water Properties
Polar Molecule pH neutral Adhesion Cohesion Surface Tension High Specific Heat Capillary Action Expands when it freezes
Polar Molecule
Neutral pH
Adhesion Water sticks to
Water
Cohesion Water Sticks to other things remember
your miniscus
Surface Tension
High Specific Heat
It takes a lot of heat to raise the temperature of water. It boils at 100 degrees Celsius
It also takes a long time for it to cool down, this keeps the earth’s temperature from being extreme.
Capillary action
Water and the things dissolved in it move up small spaces or tubes, even against gravity
Expands when it freezes
What would happen to all those fish if water sank when it froze?
Get out your journal and click below when you are ready to start.
Hunt down these facts.1. What forms does water exist as on the earth?Ex…lakes2. Where is most of the fresh (non-saltwater) in the earth?3. List 5 properties of water.4. What are the states of matter that water exists as and what
are the changes in state called?5. What is a water table?6. What is runoff?7. What is streamflow?8. What does an artesian well do?9. What is a sinkhole?10. What does USGS stand for?
