GLG 220 Entire Course NEW

GLG 220 Week 1 DQ 1 RECENT
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GLG 220 Week 1 DQ 1 NEW
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?
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?

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?

GLG 220 Week 1 Mineral Identification
Worksheet RECENT
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GLG 220 Week 1 Mineral Identification
Worksheet NEW
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_co
rner/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.

GLG 220 Week 1 Summary Questions RECENT
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GLG 220 Week 1 Summary Questions NEW
Ch. 1: Critical and Creative Thinking Questions
3 & 5
1 & 3
3 & 4

Ch. 14: Critical and Creative Thinking
Questions 1 & 4

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

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?

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?

GLG 220 Week 2 Lab Earthquake Report
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GLG 220 Week 2 Lab Earthquake Report NEW
Week Two Lab Earthquake Report
From Geoscience Laboratory, 5th ed. (p. 165),
by T. Freeman, 2009, New York, NY: John Wiley
& Sons. Reprinted

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?

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?

GLG 220 Week 3 Groundwater Lab Report
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GLG 220 Week 3 Groundwater Lab Report
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GLG 220 Week Three Groundwater Lab Report

GLG 220 Week 3 Sculpturing the Earth’s
Surface RECENT
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Surface NEW
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

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?

GLG 220 Week 4 DQ 2
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?

GLG 220 Week 4 Learning Team Legends of
the Super Rock Stars
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-220/GLG-220-Week-4-Learning-
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GLG 220 Week 4 Learning Team Legends of
the Super Rock Stars
Resources: Work sheet on Legends of the
Super Rock Stars
Complete Prepare enactment per
instructions and present in class. Prepare
& turn in sheets describing
characters/characteristics.

GLG 220 Week 4 Oceans and Atmosphere
Worksheet RECENT
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Worksheet NEW
Worksheet

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?

GLG 220 Week 5 Environmental Sustainability
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GLG 220 Week 5 Environmental Sustainability
Paper NEW
Wind Power: Its Pros and Cons
The quest to find an alternative energy resource
that is in accordance 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.
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 tw

GLG 220 Week 5 Individual Questions
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GLG 220 Week 5 Individual Questions NEW
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,
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?

GLG 220 Entire Course NEW

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