Question 1

As shown in the following image, rising material is flowing from the penumbra and into the umbra where it sinks.

Accepted Answer

A) True 
 B)False

Question 2

Much of the solar wind comes from ________ where the magnetic field does not loop back into the Sun.

Accepted Answer

A) prominences 
B) coronal holes 
C) spicules 
D) granulation 
E) auroras 
A) prominences 
B) coronal holes 
C) spicules 
D) granulation 
E) auroras

Question 3

High temperatures are required to get H nuclei to fuse because they ________ one another because of their ________ electric charges.

Accepted Answer

A) attract; negative 
B) attract; positive 
C) repel; negative 
D) repel; positive 
A) attract; negative 
B) attract; positive 
C) repel; negative 
D) repel; positive

Question 4

-The above image of the Sun was taken using a filtergram.

Accepted Answer

A) True 
 B)False

Question 5

The energy emitted by the Sun comes from chemical reactions.

Accepted Answer

A) True 
 B)False

Question 6

The sunspot cycle affects I.the latitude at which sunspots are visible at a given time.II.the number of sunspots that are visible at a given time.III.the rotation rate of the Sun's equator at a given time.IV.the magnetic polarity of the sunspots at a given time.

Accepted Answer

A) I & II 
B) I & IV 
C) II & III 
D) I, II & III 
E) I, II, & IV 
A) I & II 
B) I & IV 
C) II & III 
D) I, II & III 
E) I, II, & IV

Question 7

Solar flares have no known effect on Earth.

Accepted Answer

A) True 
 B)False

Question 8

Neutrinos are created in reactions in the _______ of the Sun.

Accepted Answer

A) corona 
B) chromosphere 
C) photosphere 
D) core 
A) corona 
B) chromosphere 
C) photosphere 
D) core

Question 9

The centers of granules

Accepted Answer

A) are hot material rising to the photosphere from below. 
B) are cool material falling from the photosphere to the regions below. 
C) are fainter and hotter than their surroundings. 
D) are brighter and cooler than their surroundings. 
E) show strong Zeeman effects. 
A) are hot material rising to the photosphere from below. 
B) are cool material falling from the photosphere to the regions below. 
C) are fainter and hotter than their surroundings. 
D) are brighter and cooler than their surroundings. 
E) show strong Zeeman effects.

Question 10

The strong force is the force that

Accepted Answer

A) binds electrons to the nucleus in an atom. 
B) holds the Moon in orbit around Earth. 
C) creates the magnetic field associated with sunspots. 
D) produces the extremely high temperatures in the solar corona. 
E) binds protons and neutrons together to form a nucleus. 
A) binds electrons to the nucleus in an atom. 
B) holds the Moon in orbit around Earth. 
C) creates the magnetic field associated with sunspots. 
D) produces the extremely high temperatures in the solar corona. 
E) binds protons and neutrons together to form a nucleus.

Question 11

The ______________ force binds atomic nuclei.

Accepted Answer

The answer of The ______________ force binds atomic nuclei....

Question 12

Granulation is caused by

Accepted Answer

A) sunspots. 
B) rising and sinking gases below the photosphere. 
C) shock waves in the corona. 
D) the solar wind flowing away from the corona. 
E) heating in the chromosphere. 
A) sunspots. 
B) rising and sinking gases below the photosphere. 
C) shock waves in the corona. 
D) the solar wind flowing away from the corona. 
E) heating in the chromosphere.

Question 13

In the Sun, rising currents of hot gas below the photosphere cause granulation.

Accepted Answer

A) True 
 B)False

Question 14

Astronomers can use ________ to measure magnetic fields on the Sun.

Accepted Answer

A) helioseismology 
B) perchloroethylene (C2Cl4) 
C) neutrino detectors 
D) a magnetic carpet 
E) the Zeeman effect 
A) helioseismology 
B) perchloroethylene (C2Cl4) 
C) neutrino detectors 
D) a magnetic carpet 
E) the Zeeman effect

Question 15

Most of the energy emitted by the Sun is generated in the

Accepted Answer

A) corona. 
B) photosphere. 
C) chromosphere. 
D) core. 
A) corona. 
B) photosphere. 
C) chromosphere. 
D) core.

Question 16

________ occur about 130 km above Earth's surface near the polar regions when energy in the solar wind guided by Earth's magnetic field excites gases in the upper atmosphere.

Accepted Answer

A) Coronas 
B) Flares 
C) Auroras 
D) Coronal holes 
E) Nuclear fission 
A) Coronas 
B) Flares 
C) Auroras 
D) Coronal holes 
E) Nuclear fission

Question 17

____________ of hydrogen atom nuclei in the core replace the heat the Sun ____________ to keep it in equilibrium.

Accepted Answer

A) Nuclear fusion reactions; loses into space 
B) Nuclear fusion reactions; gains from empty space 
C) Chemical reactions; loses into space 
D) Chemical reactions; gains from empty space 
E) Nuclear fission; loses into space 
A) Nuclear fusion reactions; loses into space 
B) Nuclear fusion reactions; gains from empty space 
C) Chemical reactions; loses into space 
D) Chemical reactions; gains from empty space 
E) Nuclear fission; loses into space

Question 18

Differential rotation of the Sun is

Accepted Answer

A) heating in the chromosphere and corona that makes them hotter than the photosphere. 
B) the magnetic dynamo inside the Sun. 
C) the equatorial regions of the Sun rotating more rapidly than the polar regions. 
D) the origin (and subsequent disappearance of) Sunspots first near the poles then closer to the Sun's equator as the Sunspot cycle progresses. 
E) the rotation of the Sun's southern and northern hemispheres in opposite directions. 
A) heating in the chromosphere and corona that makes them hotter than the photosphere. 
B) the magnetic dynamo inside the Sun. 
C) the equatorial regions of the Sun rotating more rapidly than the polar regions. 
D) the origin (and subsequent disappearance of) Sunspots first near the poles then closer to the Sun's equator as the Sunspot cycle progresses. 
E) the rotation of the Sun's southern and northern hemispheres in opposite directions.

Question 19

-Diagram 7-1 shows a plot of the temperature of the Sun as a function of distance above the bottom of the photosphere. What is the temperature of the Sun at a distance of 2,000 km

Accepted Answer

A) 500 K 
B) 900 K 
C) 5,000 K 
D) 9,000 K 
E) 100,000 K 
A) 500 K 
B) 900 K 
C) 5,000 K 
D) 9,000 K 
E) 100,000 K

Question 20

Sunspots occur in ______________ with the leading spot and the trailing spot having ________________ magnetic polarity.

Accepted Answer

A) singles, same 
B) pairs, opposite 
C) singles, opposite 
D) pairs, same 
E) none of the others 
A) singles, same 
B) pairs, opposite 
C) singles, opposite 
D) pairs, same 
E) none of the others

As shown in the following image, rising material is flowing from the penumbra and into the umbra where it sinks.

Much of the solar wind comes from ________ where the magnetic field does not loop back into the Sun.

High temperatures are required to get H nuclei to fuse because they one another because of their electric charges.

-The above image of the Sun was taken using a filtergram.

The energy emitted by the Sun comes from chemical reactions.

The sunspot cycle affects I.the latitude at which sunspots are visible at a given time.II.the number of sunspots that are visible at a given time.III.the rotation rate of the Sun's equator at a given time.IV.the magnetic polarity of the sunspots at a given time.

Solar flares have no known effect on Earth.

Neutrinos are created in reactions in the _______ of the Sun.

The centers of granules

The strong force is the force that

The ______________ force binds atomic nuclei.

Granulation is caused by

In the Sun, rising currents of hot gas below the photosphere cause granulation.

Astronomers can use ________ to measure magnetic fields on the Sun.

Most of the energy emitted by the Sun is generated in the

________ occur about 130 km above Earth's surface near the polar regions when energy in the solar wind guided by Earth's magnetic field excites gases in the upper atmosphere.

of hydrogen atom nuclei in the core replace the heat the Sun to keep it in equilibrium.

Differential rotation of the Sun is

-Diagram 7-1 shows a plot of the temperature of the Sun as a function of distance above the bottom of the photosphere. What is the temperature of the Sun at a distance of 2,000 km

Sunspots occur in with the leading spot and the trailing spot having __ magnetic polarity.

Here and Now

A Users Guide to the Sky

Cycles of the Sun and Moon

The Origin of Modern Astronomy

Light and Telescopes

Atoms and Spectra

The Family of Stars

The Formation and Structure of Stars

The Deaths of Stars

Neutron Stars and Black Holes

The Milky Way Galaxy

Galaxies: Normal and Active

Modern Cosmology

The Origin of the Solar System

Earth and Moon: Bases for Comparative Planetology

Mercury, Venus, and Mars

The Outer Solar System

Meteorites, Asteroids, and Comets

Astrobiology: Life on Other Worlds

Filters

Exam 7: The Sun

As shown in the following image, rising material is flowing from the penumbra and into the umbra where it sinks.

Much of the solar wind comes from ________ where the magnetic field does not loop back into the Sun.

High temperatures are required to get H nuclei to fuse because they ________ one another because of their ________ electric charges.

-The above image of the Sun was taken using a filtergram.

The energy emitted by the Sun comes from chemical reactions.

The sunspot cycle affects I.the latitude at which sunspots are visible at a given time.II.the number of sunspots that are visible at a given time.III.the rotation rate of the Sun's equator at a given time.IV.the magnetic polarity of the sunspots at a given time.

Solar flares have no known effect on Earth.

Neutrinos are created in reactions in the _______ of the Sun.

The centers of granules

The strong force is the force that

The ______________ force binds atomic nuclei.

Granulation is caused by

In the Sun, rising currents of hot gas below the photosphere cause granulation.

Astronomers can use ________ to measure magnetic fields on the Sun.

Most of the energy emitted by the Sun is generated in the

________ occur about 130 km above Earth's surface near the polar regions when energy in the solar wind guided by Earth's magnetic field excites gases in the upper atmosphere.

____________ of hydrogen atom nuclei in the core replace the heat the Sun ____________ to keep it in equilibrium.

Differential rotation of the Sun is

-Diagram 7-1 shows a plot of the temperature of the Sun as a function of distance above the bottom of the photosphere. What is the temperature of the Sun at a distance of 2,000 km

Sunspots occur in ______________ with the leading spot and the trailing spot having ________________ magnetic polarity.

Here and Now

A Users Guide to the Sky

Cycles of the Sun and Moon

The Origin of Modern Astronomy

Light and Telescopes

Atoms and Spectra

The Family of Stars

The Formation and Structure of Stars

The Deaths of Stars

Neutron Stars and Black Holes

The Milky Way Galaxy

Galaxies: Normal and Active

Modern Cosmology

The Origin of the Solar System

Earth and Moon: Bases for Comparative Planetology

Mercury, Venus, and Mars

The Outer Solar System

Meteorites, Asteroids, and Comets

Astrobiology: Life on Other Worlds

Filters

High temperatures are required to get H nuclei to fuse because they one another because of their electric charges.

of hydrogen atom nuclei in the core replace the heat the Sun to keep it in equilibrium.

Sunspots occur in with the leading spot and the trailing spot having __ magnetic polarity.