Unit 1 Introduction_ LabPractical Unique Earth (2 points)_ 4
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Arizona State University *
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Course
111
Subject
Geography
Date
Feb 20, 2024
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Unit 1 Introduction: LabPractical Unique Earth (2
points) Due
No due date
Points
2
Questions
4
Time Limit
None
Instructions
Attempt History
Attempt
Time
Score
LATEST
Attempt 1 (https://asu.instructure.com/courses/172892/quizzes/1298402/history?
version=1)
14
minutes
2 out of
2
Score for this quiz: 2
out of 2
Submitted Jan 5 at 3:32pm
This attempt took 14 minutes.
This lab practical require that you have watched the GPH 111 lecture on Earth as a Unique System (see
link with all the rest of the lecture). You will be asked to watch a video that relates to different aspects of
Earth's uniqueness that are discussed in the lecture. You will be given some background and then you
will have to answer a multiple-choice question linking the video to some aspect of Earth's uniqueness as
a planetary system.
0.5 / 0.5 pts
Question 1
In the GPH 111 lecture, Earth as a Unique System, you learned about
many different aspects of the planet Earth. Please watch (or even skim)
this time lapses in the Namib Desert
(http://links.asu.edu/111LP_UniqueNamib) . Focus on how the shadows
change during the day. Focus on how the stars rotate at night. Question: What aspect of Earth's system causes these shadow changes
and star rotation that is discussed in the presentation?
Earth's ozone layer
Earth's magnetosphere
Earth's 24-hour rotation
Correct!
Correct!
Correct!
Correct!
Earth's particular gravitty
Towards the start of the Earth as a unique system presentation and
also in the discussion about the Coriolis Effect, the nature of
Earth's rotation in 24 hours was emphasized as being important.
Our planet's 24-hour rotation produces the shadow movement and
star movement seen in the video
(https://www.youtube.com/watch?v=61UMtYTlDJs) . If our planet's
rotation was much slower or much faster, the planet would not be
as habitable. There would be issues related to storm movement
and storm intensity (or lack thereof).
0.5 / 0.5 pts
Question 2
In the GPH 111 lecture, Earth as a Unique System, you learned about
many different aspects of the planet Earth. Please watch (or even skim)
this video of what happens to boiling water when it is thrown off a
balcony in Siberia in winter
(http://links.asu.edu/111LP_UniqueSiberiaBoiling) . Question: What aspect of Earth's system is illustrated in this video? Select
the best answer.
All of the other answers are correct, and hence this is the best answer. Correct!
Correct!
Correct!
Correct!
Earth hosts all three phases of water (liquid, gas, solid)
The phase change of water from liquid to ice releases 80 calories per
gram.
Water in the gas phase can turn directly to solid water and releases 680
calories per gram.
This video of boiling water thrown off a balconey in Siberia in
winter
(https://www.youtube.com/watch?v=jKMNSvpB9dY) shows
that the planet Earth hosts water as a gas, as a liquid (that is
boiling), and then as a solid. The solid ice involves two types of
phase changes. The liquid water changes to ice, and also the
gaseous water changes to ice. When there is a phase change to
ice -- this requires energy. The slide in the lecture indicates that 80
cal/g are released when water freezes and 680 calories are
released when gas turns to a solid.
0.5 / 0.5 pts
Question 3
In the GPH 111 lecture, Earth as a Unique System, you learned about
many different aspects of the planet that are unique in our solar system.
Please watch (or even skim) this video of stormscapes
(http://links.asu.edu/111LP_UniqueStormscapes) -- focusing on the clouds.
Question: What unique aspect of Earth's system is displyed in this
stunning video?
Earth's liquid water
Correct!
Correct!
Correct!
Correct!
Earth's ozone layer
Earth's particular gravitty
Earth's magnetosphere
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Towards the start of the Earth as a unique system presentation, the
nature of Earth's liquid water was emphasized. While other bodies
in the solar system contain solid water, the fact that Earth is
dominated by liquid water (clouds, oceans, lakes, rivers,
groundwater) is a critical aspect of our planet's habitability. Liquid
water facilitates the biochemical reactions that allow life.
0.5 / 0.5 pts
Question 4
In the GPH 111 lecture, Earth as a Unique System, you learned about
many different aspects of the planet that are unique in our solar system.
Please watch (or even skim) this ultra-high definition video
(http://links.asu.edu/111LP_UniqueAuroraISS) of Aurora (northern and
southern lights) as seen from the International Space Station.
QUESTION: What aspect of Earth uniqueness generates the Aurora
(northern or southern lights) effect?
Earth's ozone layer in the troposphere
Earth's ozone layer in the stratosphere
Earth's particular gravitty
Earth's magnetosphere
Correct!
Correct!
Correct!
Correct!
Towards the middle of the Earth as a unique system presentation,
the magnetosphere was emphasized as a key reason for our
planet's habitability. The magnetosphere protects Earth from
incoming solar radiation. In the case of the auroras (northern and
southern lights), highly charged particles emitted from the sun
(typically by solar flares) are able to make it through the
magnetosphere at the poles. These charged particles then collide
with the upper atmosphere and these collisions result in light
bursts or photons. Quiz Score: 2
out of 2