Chapter 7 (Water) as Reference
- Complete using your textbook to find answers to the following
questions. Next week we will spend
going over this information and answering any questions that come up. Good luck and have fun! Be sure to look at the grading criteria
before and during your work.
- Outline shows a
conscientious effort to be complete and explain the questions posed. Most answers are correct.
- Student shows depth of
answers by explaining, defining, and giving examples where
appropriate. If there is a sentence
or less for each question, this grading criterion is not met.
Water (Chapter 7)
- What percent of the earth’s water is available to humans for
- Why is fresh water a renewable resource? What power source brings this water to
- Why is water considered
- Is clean water available to all humans? Explain.
- What is green and blue water?
- Define the following terms in relationship to the hydrologic cycle:
d) Relative humidity
- Describe the process of natural water purification.
- Draw and explain the rain shadow effect as it
occurs in Western Washington. Include the Cascades, Olympics, Puget Sound, and eastern slopes of the Cascades.
- When water hits the ground it does one of two things. What are those two things? Explain each.
- Now, describe the hydrologic cycle.
Include the terms evaporation, transpiration, condensation,
precipitation, infiltration, percolation, run-off, and groundwater at
- When humans build a parking lot or home, how are they affecting the
- How does climate change by global warming effect the hydrologic
cycle? Does this affect humans?
- How does atmospheric pollution affect the hydrologic cycle?
- What percent of freshwater supplies do humans withdraw for
irrigation? Industry? Human use?
- What percent of the world’s population does not have access to
clean drinking water? What is the
direct cause of this?
- Draw a diagram that illustrates how water gets to your home and
where it goes after leaving your home.
- What is the function of building dams? (What do we use them for)?
- What are the ecological impacts of building dams? List the main impacts and then use the San Francisco Bay as an example and discuss what
has happened there.
- Is groundwater considered a renewable resource? When?
When is it not?
- Discuss the following impacts of overdrawing water:
a) Falling water tables:
b) Diminishing surface water:
- Your book says that there are four ways that we could harness more freshwater from the hydrologic cycle to utilize for the
increasing population of the world.
Answer the following questions regarding each of the options:
a) Using the evidence your book gives, is building more
dams an appropriate way to solve this problem?
b) What is the Wild and Scenic Rivers Act of 1968?
evidence your book gives, is tapping a) renewable and b) nonrenewable
groundwater supplies an appropriate way to solve this problem?
d) Using the evidence that you book gives, is
desalinizing water a feasible way to provide water for people?
e) What is the most common way to irrigate fields in the
U.S.? What are the best alternatives to this (in
order to save water)? Why don’t people
What do most
people in the U.S.
use water for in their homes? Discuss a)
low flow toilets b) grey water as ways to reduce water use in homes.