Textbook Assignment: Water Treatment, chapter 7, pages 7-1 through 7-25.
The hydrologic (water) cycle is the
process of circulation of water from
oceans, to the atmosphere, to the
earth, and beneath the earth
oceans, to the earth, and beneath
the earth, and to the atmosphere
atmosphere, to the earth, and
beneath the earth, and to the ocean
earth, and beneath the earth, to the
ocean, and to the atmosphere
8-2. The flow of rainwater or melted snow
into the soil is known by what term?
8-3. What process in the hydrologic cycle
8-4. In what way do plants influence the
1. By evaporating water
2. By dissipating water
3. By condensing water
4. By transpiring water
8-5. The basic water supply is composed of
what two classes?
1. Surface water and groundwater
2. Aquifers and wells
3. Moving water and still water
4. Artificial and natural
8-6. Water as rain, snow, sleet, fog, or dew
falls upon the surface of the earth.
What is the process called?
8-7. The water precipitated from the
atmosphere on the surface of the earth,
absorbed by the soil, and collected
below a certain level is known as
1. surface water
8-8. Groundwater is NOT found under
which of the following conditions?
A layer of decomposed rock is
between the uppermost layer of soil
and the virgin rock itself
The depth of the soil varies from a
few inches to many feet
Part of the earths crust is between
solid rock and the surface of the
Virgin rock appears at the surface
with no overlying decomposed
rock or soil