SCI 245 Complete Class Flashcards
SCI 245 Complete Class
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SCI 245 Week 1 Assignment Minerals
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- Conduct the mineral lab at: http://corptrain.phoenix.edu/%5Cvirtual_lab/virtual_lab.html and use the mineral worksheet found in Appendix C to record your observations and results in identifying different minerals.
- Write a summary answering the following:
o What are the four requirements for a material to be classified as a mineral?
o How do you differentiate between minerals? Briefly summarize the six methods to tell minerals apart.
o Summarize the major difference(s) between minerals and rocks.
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SCI 245 Week 1 CheckPoint Study of Earth
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- Review Ch.1 in Visualizing Geography. This chapter discusses the Earth as a system comprised of four subsystems.
- Write a 200- to 300-word description of how these four subsystems interact with one another. In your response, identify one type of resource from each subsystem on which people depend.
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SCI 245 Week 2 CheckPoint Fossils and the Geologic Column
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- Review Figure 3.6 on p. 68 of the text. How do fossils help in determining the relative age of strata? Are the three different localities around the same relative age? Explain your response.
- Refer to the USGS Web site: http://pubs.usgs.gov/gip/geotime/fossils.html. What periods are the fossils from in Figure 3.6? What does this say about the area in Figure 3.6?
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SCI 245 Week 2 DQ 1 And DQ 2
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Week 2 DQ 1
Select one of the following methods of evaluating geologic time: Absolute Dating/Numerical Age or Relative Dating. Describe your chosen method and how it is used to evaluate geologic time. Review another student’s method that is different from yours. Reply to another student who describes a different method than yours and comment on which method you think is more reliable or accurate.
Week 2 DQ 2
Scientists debate about the use of fossils as a tool to determine records of various events, such as the vanishing of the dinosaurs or the origin of our ancestors. Based on what you know of fossils from your textbook and other sources, discuss the role of fossils in helping scientists develop accurate records of the geologic history of the Earth. Address important discoveries such as the 3.3-million-year-old fossilized remains of a child in the Dikika region of Ethiopia.
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SCI 245 Week 3 Assignment Earthquakes
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- Write a 700- to 1,050-word paper in APA format that distinguishes the types of plate margins and how they move. Also, discuss why earthquakes are common along plate margins or boundaries.
- Respond to the following in your paper:
o When the Earth does quake and shake, how does it move?
o What are the events that cause the Earth to quake and shake?
o How are earthquakes measured?
o Briefly describe the two types of body waves an earthquake creates.
- Provide an example, in your paper, of an area that is prone to earthquakes. If you need assistance with locating an area, review the Ring of Fire animation on the student Web site.
- Review the following animations, located on the student Web site, to assist in research for your paper:
o Divergent boundaries
o Convergent boundaries
o Transform fault boundaries
o Seismic waves
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SCI 245 Week 3 CheckPoint Plate Tectonic Theory
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Your younger brother is in 5th grade. He comes home and tells you to look at an animation his teacher showed him in geology class.
Review the Continents of the Past animation on the student Web site.
After viewing the animation, your brother has a look of disbelief on his face, “C’mon, really? Our whole continent moves? That’s bogus!” Instead of blowing him off like you usually do, you decide to sit down and educate him about plate tectonics. First, you give him an overview about two historical figures that contributed to the plate tectonic theory. Then, you decide to show him how the plates move by boiling a pot of water (shown on p. 108) and relating it to mantle convection and plate movement.
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