Earth's Waters Ch1

3. – streams and smaller rivers that feed into a main river
5. – the top of the saturation zone
6. – water that fills the cracks and spaces in soil and rock layers
11. – a layer that contains air as well as water that has soaked into the ground
15. – the land area that supplies water to a river system
17. – does not allow water to pass through easily because it has few or no pores or cracks.
18. – the process by which nutrients build up in a lake causing the algae to grow rapidly
19. – a layer where the pores in the ground are filled with water

1. - a molecule that has electrically charged areas
2. – water that falls to Earth as rain, snow, hail or sleet
4. - a mixture that forms when one substance is dissolved in another
7. – a land area that is covered with a shallow layer of water during some or all of the year
8. – the place where an organism lives and obtains all the things it needs to survive
9. – allows water to pass through because they have large and connected pores
10. – when plants give off water vapor through their leaves
12. – the process by which molecules at the surface of a liquid absorb enough energy to change to a gaseous state
13. - the combined force of attraction among water molecules and with the molecules of the surrounding materials
14. – a river and all of its tributaries together
15. – the continuous process by which water moves from Earth’s surface to the atmosphere and back driven by energy from the sun and gravity
16. – an underground layer of permeable rock that holds water and allows it to flow