Essential Questions:
Chapter 9 - water sources:
How does water move through the environment?
What are the problems associated with how we manage water?
Why is irrigating arid lands something we have to be very careful with?
What are the most effective ways we can conserve water in our homes?
Chapter 14 - water pollution:
What are the most important water quality parameters for humans? The environment?
What are the sources, effects and ways to reduce the major pollutants in water?
How does a sewage treatment plant work and what are the outputs that can be used?
How can outputs of sewage treatment can be used? Why do some create problems?
What laws regulate water quality in the US and how do they differ?
Answers to end of chapter questions:
Keep scrolling to get to chapter 14!!
End of Module Answers Chapter 9:
Module 26
1 – b
2 – c
3 – a
4 – a
Module 27
1 – c
2 – d
3 – d
4 – b
5 – c
Module 28
1 – a
2 – d
3 – d
4 – c
5 – d
End of chapter 9 practice exam
1 – a
2 – b
3 – b
4 – d
5 – a
6 – a
7 – b
8 – d
9 – c
10 – a
11 – d
12 – a
13 – d
14 – b
15 – b
16 - a
End of Module Answers Chapter 14:
Module 41
1 – b
2 – c
3 – a
4 – b
5 - d
Module 42
1 – a
2 – c
3 – c
4 – b
5 - d
Module 43
1 – b
2 – c
3 – a
Module 44
1 – d
2 – b
3 – d
4 – d
Module 45
1 – a
2 – b
3 – c
4 – c
End of chapter 14 practice exam
1 – d
2 – d
3 – b
4 – a
5 – b
6 – c
7 – d
8 – a
9 – b
10 – c
11 – d
12 – a
13 – b
14 – b
15 – b
16 - a
17 - c
Vocabulary:
Sources
water table, confined and unconfined aquifers, recharge zone, perched water table, recharge,
spring, zone of aeration, zone of saturation,
cone of depression, subsidence, salt water
intrusion,
artesian well, groundwater, floodplain
Management
Flood control dam, levees,
impervious surfaces, bio-retention ponds, rain gardens, fish ladder, aqueduct, desalination,
RO - reverse osmosis, salinity
Irrigation
flood, furrow, spray, drip, hydroponic,
dry farm, salination issues
Conservation
grey water, reclaimed water, rain catchment,
Water Quality
TDS - total dissolved solids, nitrates,
phosphates, oxygen, BOD, E-Coli,
total coliform, turbidity
Sewage treatment
primary, secondary, tertiary, sludge,
septic systems
Laws
Safe water drinking act
Clean water act
Water Pollution
(see your handout)
Media:
Excellent visualization of Water use in the USA
human waste - Compost system in Ecuador
Klamath River Basin water crisis (last year)
Klamath Restoration Agreements
Argument against dam removal (fish recovery estimates)
Start at 16:10 for summary of main argument
Native American Perspective (Yurok) (video)
Jordan Lake water quality issues
LA Stormwater - LA Times article
Assignment:
Residential stormwater system
Lab - Seed Germination and Salinity
Lab - Water Quality