The document outlines the course structure and weekly activities for GLG 220, covering topics such as mineral identification, plate tectonics, and environmental sustainability. It includes discussion questions (DQs), lab reports, and papers for each week, encouraging students to engage critically with geoscience concepts. Various assignments ask students to analyze geologic phenomena, environmental impacts, and resource management strategies.

1. GLG 220 Entire Course
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GLG 220 Week 1 DQ 1
GLG 220 Week 1 DQ 2
GLG 220 Week 1 Summary Questions
GLG 220 Week 1 Mineral Identification Worksheet
GLG 220 Week 2 DQ 1
GLG 220 Week 2 DQ 2
GLG 220 Week 2 Plate Tectonics Paper
GLG 220 Week 2 Lab Earthquake Report
GLG 220 Week 3 DQ 1
GLG 220 Week 3 DQ 2
GLG 220 Week 3 Groundwater Lab Report
GLG 220 Week 3 Sculpturing the Earth’s Surface
GLG 220 Week 4 Oceans and Atmosphere Worksheet
GLG 220 Week 4 DQ 1
GLG 220 Week 4 DQ 2

2. GLG 220 Week 4 Deserts Lab Report
GLG 220 Week 5 Individual Questions
GLG 220 Week 5 Environmental Sustainability Paper
GLG 220 Week 5 DQ 1
GLG 220 Week 5 DQ 2
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GLG 220 Week 1 DQ 1
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Answer in 200-300 word count. Choose one question below and title
your answer with Reply.
What is the basis and criteria for developing the geologic time scale?
Based on your reading and experience, what is the most interesting
period within the geologic time scale? Why?
What is the nature of scientific inquiry? What is the difference between
a scientific hypothesis and a scientific theory? How is hypothesis and
theory different from a scientific law?

3. Select one of the common ores in your state or region (such as northwest
United States, southeast United States, or western Europe). Where does
it come from? Why does it occur there? How important is it
economically? Why?
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GLG 220 Week 1 DQ 2
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Answer in 200-300 word count. Choose one question below and title
your answer with Reply.
What information do fossils provide about past life on Earth? What
information do fossils not provide?
Can you identify parts of a house that are made from minerals and
rocks? What parts and what specific minerals or rocks? Are there any of
those parts that could not be made for the house without some form of
minerals or rocks? Explain.
Most gemstones, such as topaz, rubies, sapphires, emeralds, and
diamonds, have a common mineral property that makes them gemstones.
What is this property? Is that property responsible for their economic
value? Why or why not?

4. ===============================================
GLG 220 Week 1 Mineral Identification Worksheet (UOP)
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Resources: Ch. 2 of the text, Virtual Minerals Lab, Mineral
Identification Key II and Appendix 2 • Read the Introduction located via
the Table of Contents,Section 1 at Mineral Society of America’s Mineral
Identification Key II available at the following link:
http://www.minsocam.org/MSA/collectors_corner/id/mineral_id_keyi1.
htm#Intro After reviewing the introduction return to Table of Contents
and read about the Mineral physical property Hardness. • Conduct the
hardness test of the Virtual Minerals Lab located in the Materials section
of your student Web site. Record your answers in Appendix 2 - Part 1. •
Review the additonal physical properties discussed in the resources
above. Using the information gained from the concepts discussed in your
readings and Lab activity, read and record the answers to the questions
posed in Appendix 2 – Part 2.
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5. GLG 220 Week 1 Summary Questions
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GLG 220 Week 1 Summary Questions
Ch. 1: Critical and Creative Thinking Questions 3 & 5
Ch. 2: Critical and Creative Thinking Questions 1 & 3
Ch. 3: Critical and Creative Thinking Questions 3 & 4
Ch. 14: Critical and Creative Thinking Questions 1 & 4
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GLG 220 Week 2 DQ 1
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6. Answer in 200-300 word count. Choose one question below and title
your answer with Reply.
1. Will plate tectonics eventually turn off and cease to operate on
Earth? Why or why not?
2. What are the differences between active and passive continental
margins? What is the relationship between plate tectonics and the
various features? Provide an example of each continental margin.
3. How did the discovery of magnetic anomalies and reversals
process contribute to our current acceptance of plate tectonics
theory
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GLG 220 Week 2 DQ 2
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Answer in 200-300 word count. Choose one question below and title
your answer with Reply.
1. How can the Appalachian Mountains be considered a collision-
type mountain range when the nearest continent is 5,000
kilometers (3,000 miles) away?

7. 2. What is an earthquake? What causes earthquakes?
3. How did the Hawaiian Islands form geologically? How could the
relative age of the islands be determined?
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GLG 220 Week 2 Lab Earthquake Report
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Week Two Lab Earthquake Report
From Geoscience Laboratory, 5th ed. (p. 165), by T. Freeman, 2009,
New York, NY: John Wiley & Sons. Reprinted
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GLG 220 Week 2 Plate Tectonics Paper (UOP)
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8. GLG 220 Week 2 Plate Tectonics Paper
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GLG 220 Week 3 DQ 1
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Answer in 200-300 word count. Choose one question below and title
your answer with Reply.
Describe the hydrologic cycle. How does this cycle affect the earth?
What is the potential danger due to mass wasting in your state or
region? What is the effort spent to minimize the impact of mass
wasting?
What is the impact of soil erosion on farmland? What are the tools that
could be utilized to minimize the loss of farmland to soil erosion?
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GLG 220 Week 3 DQ 2

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Answer in 200-300 word count. Choose one question below and title
your answer with Reply. 256
Based on your reading, do you believe that we are in a period of glacial
or interglacial stage? Why or why not? What are the current factors that
might cause the acceleration of one stage over the other?
One philosophy about pollution of water is that water can always be
cleaned (e.g. by the use of distillation). Is this a viable solution? Why
or why not?
What are the different sources of water in the United States? Which
source of water is mostly used in your region? How could we protect
the sources of our water from drying up and contamination?
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GLG 220 Week 3 Groundwater Lab Report

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GLG 220 Week Three Groundwater Lab Report
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GLG 220 Week 3 Sculpturing the Earth’s Surface
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GLG 220 Week 3 Sculpturing the Earth’s Surface Resource: Visualizing
Geology Select a city or region that is faced with one of the following
issues: Saltwater invasion in coastal wells Depletion of an aquifer for
drinking or agricultural water Subsidence associated with water
pumping Depletion or pollution of surface water from human use
Landslides threatening the infrastructure of a region, such as roads,
housing, or railroads Prepare a 1,050- to 1,400-word paper in which you
discuss the issue and potential solutions. Include the following: Geologic
principles involved in the issue History of the region specifically
associated with the depletion of resources or development of the
problem Potential solutions to the hazard or problem
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11. GLG 220 Week 4 Deserts Lab Report
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GLG 220 Week Four Deserts Lab Report
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GLG 220 Week 4 DQ 1
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1. How can an observer experience two unequal high tides during a
day?
2. What is the composition of sea water? What does salinity mean?
3. Beach erosion is related to natural process such as long shore
current. How is beach erosion also related to human activity?
4. How do oceans regulate climate?

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GLG 220 Week 4 DQ 2
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1. The Arizona cities of Flagstaff and Phoenix are relatively close to
one another yet have contrasting climates. Why does this
difference occur?
2. What are the features of the ocean floor and how can they be
explained by plate tectonics?
3. What is the Coriolis Effect?
4. How does the atmosphere regulate the Earth’s climate?
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GLG 220 Week 4 Oceans and Atmosphere Worksheet
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GLG 220 Week 4 Oceans and Atmosphere Worksheet
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GLG 220 Week 5 DQ 1
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Answer in 200-300 word count. Choose one question below and title
your answer with Reply.
1. What are the products of crude oil? How are these products
produced?
2. How is coal formed in the earth?
3. How can the tides be used as an energy source?
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GLG 220 Week 5 DQ 2

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1. What are renewable and nonrenewable resources? Give examples of
each.
2. Galena is the primary ore of lead, Pb. Besides lead itself, what is a
dangerous byproduct of smelting lead? How can this byproduct be
prevented from entering the atmosphere?
3. What are three fossil fuels? How much is used for industrial, home,
and transport? How much energy is lost?
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GLG 220 Week 5 Environmental Sustainability Paper
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Wind Power: Its Pros and Cons
The quest to find an alternative energy resource that is in accordance

15. with history and latest trend in technology has paved the way for
humans to look after the environment and to preserve the natural
resources. An alternative energy resource is wind power. This is not a
new discovery but overtime it took a fresh and better tactic. History will
reveal that hundreds of years ago, windmills were already use in Europe
in wind farms with wind turbines in order to gain as much as wind
energy as possible. This is an effective method in producing the
maximum wind energy; however, there are pros and cons that one has to
be aware with in this kind of alternative source of energy.
Introduction
Missouri produces wind energy coming from more than 2,500 square
miles land that the state use as 63% portion of electricity. Windmills are
producer of clean energy; however worn-out windmills produce
otherwise. One hazardous element of wind turbines is carbon fiber
composite. When wind turbine is worn-out, it has to be burned and
trashed out, a process that is perilous to the atmosphere. This wind
turbine replacement is necessary. One material of wind turbine is
thermoset plastic; this usually creates the wind turbines’ strength and
low weight requirement. A breakage from this wind turbine might
destroy houses and buildings nearby and pieces of the blade might be
scattered meters away. Wind power accidents are much common
compared to nuclear accidents. Recorded in 2008 were casualties of 16
civilians and 41 workers—a continuously increasing number. During
high winds, the turbines should be stopped and the rotation should be
stopped in order to reduce this staggering figure of casualties. Moreover,
a regular check-up on these wind turbines should be made in order to
prevent bugs build-up and the wearing of the blades because if not 20-
30% is estimate product loss. According to O’Sullivan, 2011, money is
an important element in maintaining the quality of blades in order to
maintain the wind power.

16. Wind Power: The Pros
There are many pros of wind power as a renewable resource of energy.
It is estimated that wind turbines can usually generate 500 kilowatts of
power that can lessen the carbon dioxide emission by approximately
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GLG 220 Week 5 Individual Questions
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GLG 220 Week 5 Individual Questions
Prepare a response to Critical and Creative Thinking Questions 1–5 in
Ch. 15 of Visualizing Geology. Provide an explanation in your
responses.
Oil production in the United States satisfies only half of the country's
needs; the rest is imported. If imports were cut off, what changes would
you expect to occur in your lifestyle?
If you are interested in controversies, investigate how geophysicist M.
King Hubbert predicted in 1956 that annual U.S. oil production would
peak in the early 1970s (the actual peak occurred in 1971). Also,

17. investigate the debate over whether the same predictive technique can be
applied to world oil supplies. When do you think world oil production
will reach its peak—or has it done so already?
Can you offer an explanation for this remarkable concentration? If you
were part of a team of exploration geologists looking for large copper
deposits, where would you focus your search?
Given that we are now dependent on nonrenewable resources of energy
and minerals, and that the world's population continues to increase, how
do you think human societies will adjust in the future? Do we have a
resource problem or a population problem (or both)?
Some people think that sustainable development is not a useful concept,
because it may be impossible to implement—or even to define—in the
case of nonrenewable resources. Others think that it is an extremely
important concept, if only because it makes us think about the needs of
future generations in planning resource management. What do you
think?
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