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Chapter 12: The Sun, Our Star Review Flashcards | StudBud
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Chapter 12: The Sun, Our Star Review
Chapter 12: The Sun, Our Star Review
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Answers
1
The picture below shows a:
neutrino
solar prominence
coronal mass ejection (CME)
solar flare
2
What are sunspots?
areas of enhanced neutrino flow
cooler, darker areas on the photosphere
strong convective currents
hot temperatures
3
Because the equator region rotates faster than the poles, the sun's magnetic field exhibits
differential rotation and magnetic field twisting
all of the answers are correct
rapid cooling
a constant and unchanging pattern
4
The picture below shows a:
solar prominence
coronal mass ejection (CME)
solar flare
neutrino
5
The picture below shows a:
neutrino
coronal mass ejection (CME)
solar flare
solar prominence
6
Flare eruptions can explosively shoot gas across the solar system and interact with earth's magnetic field creating a(n)
solar eclipse
aurora
meteor shower
lunar tide
7
The structure of the sun depends on the balance between its internal forces. The
outward force
arises from:
heat and pressure from nuclear fusion
gravity
both answers are correct
neither answer is correct
8
Since the core is hotter than the surface, heat will flow outwards from the core through the: (Pictured as A)
radiative zone
granulation
convection zone
core
9
What are neutrinos?
particles responsible for electromagnetic forces
a type of electromagnetic wave
subatomic particles with almost no mass and no electric charge
heavy particles that make up protons and neutrons
10
Spectroscopy shows the composition of our sun to be
71% O, 27% H, 2% other elements
71% H, 27% He, 2% other elements
71% He, 27% H, 2% other elements
71% N, 27% O, 2% other elements
11
Climate patterns on Earth may also follow the solar cycle. Which answer below correctly corresponds to graph
less sunspots = higher ocean temps
none of the answers are correct
less sunspot = lower ocean temps
more sunspots = lower ocean temps
12
The lower part of the sun's atmosphere containing millions of spicules and appearing as a thin red line during eclipse
Neutrino
Photosphere
Corona
Chromosphere
13
The picture below shows a:
neutrino
solar flare
solar prominence
coronal mass ejection (CME)
14
The yellow “surface” we see with our eyes is the:
Photosphere
Neutrino
Chromosphere
Corona
15
The structure of the sun depends on the balance between its internal forces. The
outward force
arises from:
neither answer is correct
gravity
both answers are correct
heat and pressure from nuclear fusion
16
Subatomic particles with
no electric charge
and
very little mass
, capable of passing though matter undetected
pions
convective hydrogen
neutrinos
quarks
17
What is nuclear fusion?
Helium being converted to Hydrogen inside the sun
Hydrogen being converted to Helium inside sun
18
The lower part of the sun's atmosphere containing millions of spicules and appearing as a thin red line during eclipse
Photosphere
Chromosphere
Corona
Neutrino
19
Spectroscopy shows the composition of our sun to be
71 %
none of the answers are correct
Hydrogen
Helium
Iron
20
The yellow “surface” we see with our eyes is the:
Corona
Chromosphere
Neutrino
Photosphere
21
Scientists studying solar neutrinos observed only about 1/3 of the neutrinos predicted by theoretical models meaning:
nuclear fusion not occuring in core
they may come in different types or we still don't fully understand them
sun is near the end of its life cycle
sun's energy really comes from graitational contraction
22
Scientists build neutrino detectors deep in the ground to ensure all other types of radiation are blocked out
true
false
23
The lower part of the sun's atmosphere containing millions of spicules and appearing as a thin red line during eclipse
Corona
Photosphere
Neutrino
Chromosphere
24
Why bury solar neutrino detectors deep underground?
to shield the detectors from cosmic rays and other background radiation
to prevent the equipment from overheating
to ensure neutrinos interact more easily with the detector
to keep the neutrinos cool
25
The yellow “surface” we see with our eyes is the:
Photosphere
Neutrino
Corona
Chromosphere
26
The structure of the sun depends on the balance between its internal forces. The
inward force
arises from:
both answers are correct
neither answer is correct
gravity
heat and pressure from nuclear fusion
27
The picture below shows a:
solar flare
solar prominence
coronal mass ejection (CME)
neutrino
28
Galileo first discovered from the movement of sunspots that the sun rotates on its own axis and each rotation takes:
1 month (~30 days)
1 year (~365 days)
1 day (24 hours)
Galileo was mistakn, the sun doesn't rotate
29
The study of the sun's interior by analyzing wave motions on the surface and atmosphere
nuclear fusion analysis
radiative transfer
spectroscopy
solar seismology
30
The Maunder Minimum is a period of high sunspot activity coinciding with an extreme heat wave thru N. America and Europe
False
True
31
The hottest outer layer of the sun's atmosphere that drives the solar winds and seen only during an eclipse
Neutrino
Photosphere
Corona
Chromosphere
32
The hottest outer layer of the sun's atmosphere that drives the solar winds and seen only during an eclipse
Corona
Neutrino
Chromosphere
Photosphere
33
The splitting of spectral lines into several components in the presence of a static magnetic field
photoelectric effect
doppler effect
compton scattering
zeeman effect
34
Above the radiative zone energy is transported more efficiently by the rising and sinking of gas in the: (Pictured as B)
granulation
radiative zone
convection zone
core
35
The hottest outer layer of the sun's atmosphere that drives the solar winds and seen only during an eclipse
Photosphere
Neutrino
Chromosphere
Corona
36
What is nuclear fusion?
Hydrogen being converted to Helium inside sun
Helium being converted to Hydrogen inside the sun
37
The structure of the sun depends on the balance between its internal forces. The
inward force
arises from:
neither answer is correct
gravity
both answers are correct
heat and pressure from nuclear fusion
38
This feature manifests itself as numerous bright regions surrounded by dark narrow zones on the surface of the sun
radiative zone
convection zone
granulation
core