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8/12/2019 Grand Canyon Project Packet
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Name: ____________________________ #
Grand Canyon Mini-Unit
Part 1:
Pre-Reading:
1. What does the word reliable mean?____________________________________________________________________________________________________________________________________________________________________________________
2. What does speculation mean?__________________________________________________________________________________________
__________________________________________________________________________________________
3. What is reasoned judgment?__________________________________________________________________________________________
__________________________________________________________________________________________
4. What would you consider a reliable source for scientific information? Why?__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
Grand Canyon Gl ossary
Directions: As we read the two articles please highlight these words within the texts.
Abundant: existing in large quantities
Chasms: a deep gap in the earths surface
Contends: to state or make a claim
Crucial: extremely important
Detritus: rocks in small particles (sediment)
Geologist: someone who studies the earth (rocks)
Geomorphologist: someone who studies the changes in the earth
Incision: a cut, or a gashMajestic: splendid, magnificent, grand
Mamillaries: mineral deposits formed in caves (usually on the roof when the water used to be higher than thecave)
Merger: a combination of two things
Posited: assume as a fact, put forward as a claim
Proto: original, first
Rigorous: extremely thorough, accurate
Yields:produce or provide
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Part 2:
The Cast
Victor Polyack: geologist at the University of New Mexico, led the research for this new discovery.
Carol Hill: geologist at the University of New Mexico, a member of Polyacks research team.
Yemane Asmerom: geochemist at the University of New Mexico, Polyacks boss.
Joel Pederson: geomorphologist at Utah State University who has spent his career studying the Grand Canyon.
Tim C. Atkinson: geologist at University College, London.Michael Leeder: geologist at University of East Anglia in Norwich, England.
Directions: As we read the two articles please explain the position of each cast member (what claim are they
making, or what do they believe to be true?).
Polyack:
__________________________________________________________________________________________
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Hill:
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Asmerom:
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Pederson:
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Atkinson:
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__________________________________________________________________________________________Leeder:
__________________________________________________________________________________________
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Part 3:
After we have analyzed the sources and determined their arguments, what are the facts presented, what
was reasoned judgment and speculation, please answer the following questions about each source.
New York Times article:
Directions: after reading please answer the following questions.
1. Are there any important facts, or key pieces of information that the author leaves out of this article?How could the claim be better supported using this information?
__________________________________________________________________________________________
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2. Do you think this is a reliable source? Why or why not?__________________________________________________________________________________________
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3. Having knowledge on persuasion, did this article persuade you to believe the authors claim? Why orwhy not?
__________________________________________________________________________________________
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Washington Post article:
Directions: after reading please answer the following questions.
1. Are there any important facts, or key pieces of information that the author leaves out of this article?How could this article be more reliable?
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
2. Do you think this is a reliable source? Why or why not?__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
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__________________________________________________________________________________________
3. Having knowledge on persuasion, did this article persuade you to believe the authors claim? Why orwhy not?
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
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Directions: after listening please answer the following questions.
10. Are there any important facts, or key pieces of information that are not included in this broadcast? Ifso, please explain.
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
11. Do you think this is a reliable source? Why or why not?__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
12. Having knowledge on persuasion, did this broadcast persuade you to believe the Polyacks claim?Why or why not?
__________________________________________________________________________________________
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7th
Grade Teachers Discussion Clip
Directions: after listening please answer the following questions.
1. Are there any important facts, or key pieces of information that are not included in this broadcast? Ifso, please explain.
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
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2. Do you think this is a reliable source? Why or why not?__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
____________________________________________________________________________________________________________________________________________________________________________________
__________________________________________________________________________________________
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Final Question:
Of these three sources, which do you believe is the most reliable source? Why? (What sources did they use?
What information did they present? How did they present it? etc.) Explain why you think this source is the
most reliable by comparing it to other sources (why were some of those sources NOT as reliable?).
__________________________________________________________________________________________
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Part 4: Synthesis and Conclusions
Directions: Using what you have learned about rocks, and looking at the information we have compiled, answer
the following questions:
1.
What are the arguments presented in these four sources?__________________________________________________________________________________________
__________________________________________________________________________________________
__________________________________________________________________________________________
2. What are the supporting details the authors include? Be sure to cite which source you are talking about.__________________________________________________________________________________________
__________________________________________________________________________________________
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3. How is the age of the Grand Canyon determined? There can be a few different steps described here.__________________________________________________________________________________________
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4. How and why has the age of the Grand Canyon changed over time? Explain. Use your sources toprovide evidence.
__________________________________________________________________________________________
__________________________________________________________________________________________
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5. What could this information do to the way we view the earth, and why do we care about this?__________________________________________________________________________________________
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As a group, write (and then present) a conclusion about the information in the 3 sources we looked at and
determine which source is the most reliable. Support your groups conclusion with evidence from the source(s).
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