Question 1

Define these terms: thermopause, insolation, solar constant, subsolar point.

Accepted Answer

Thermopause: outer boundary of Earth's e

Question 2

Which of the following is true of Earth's orbit about the Sun?

Accepted Answer

A)  It is perfectly circular. 
B)  It is elliptical. 
C)  It takes approximately the same time for Earth to orbit the Sun as it does for the rest of the planets in the solar system to orbit the Sun. 
D)  The orbit does not vary over millions of years. 
A)  It is perfectly circular. 
B)  It is elliptical. 
C)  It takes approximately the same time for Earth to orbit the Sun as it does for the rest of the planets in the solar system to orbit the Sun. 
D)  The orbit does not vary over millions of years.

Question 3

In order to study the planetesimal hypothesis, astronomers study this process in other parts of the Galaxy.

Accepted Answer

A) True 
 B)False

Question 4

The electromagnetic spectrum only shows the wavelengths associated with solar radiation.

Accepted Answer

A) True 
 B)False

Question 5

Lower latitudes experience the greatest seasonal variation throughout an average year.

Accepted Answer

A) True 
 B)False

Question 6

The term "net radiation" refers to

Accepted Answer

A)  the total amount of energy received by Earth. 
B)  the total amount of energy radiated by Earth. 
C)  the difference in amount of incoming and outgoing radiation. 
D)  radiation emitted by satellite networks. 
A)  the total amount of energy received by Earth. 
B)  the total amount of energy radiated by Earth. 
C)  the difference in amount of incoming and outgoing radiation. 
D)  radiation emitted by satellite networks.

Question 7

Our solar system is located towards the middle of the Milky Way galaxy.

Accepted Answer

A) True 
 B)False

Question 8

Light travels at a speed of approximately

Accepted Answer

A)  80,500 kilometers per hour (50,000 mph). 
B)  300,000 kilometers per hour (186,336 mph). 
C)  300,000 kilometers per second (186,333 miles per second). 
D)  1,000,000,000 kilometers per second (621,118,012 miles per second). 
A)  80,500 kilometers per hour (50,000 mph). 
B)  300,000 kilometers per hour (186,336 mph). 
C)  300,000 kilometers per second (186,333 miles per second). 
D)  1,000,000,000 kilometers per second (621,118,012 miles per second).

Question 9

Which of the following is true?

Accepted Answer

A)  The Sun is the largest star in the Milky Way Galaxy. 
B)  The Milky Way is part of our Solar System. 
C)  The Sun produces energy through fusion processes. 
D)  The Sun is also a planet. 
A)  The Sun is the largest star in the Milky Way Galaxy. 
B)  The Milky Way is part of our Solar System. 
C)  The Sun produces energy through fusion processes. 
D)  The Sun is also a planet.

Question 10

The Earth's axis is titled 19.5° relative to the plane of the ecliptic.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following is true of the number of hours of daylight?

Accepted Answer

A)  The number of hours of daylight includes the hours between dawn and twilight, not just the hours from sunrise to sunset. 
B)  The number of hours of daylight varies depending on the latitude of the observer. 
C)  The number of hours of daylight varies the most along the equator. 
D)  The number of hours of daylight varies the least at higher latitudes. 
A)  The number of hours of daylight includes the hours between dawn and twilight, not just the hours from sunrise to sunset. 
B)  The number of hours of daylight varies depending on the latitude of the observer. 
C)  The number of hours of daylight varies the most along the equator. 
D)  The number of hours of daylight varies the least at higher latitudes.

Question 12

Auroras are mainly visible at lower latitudes, from the equator to about 15° N/S.

Accepted Answer

A) True 
 B)False

Question 13

Seasonality involves the variability of both daylength and the altitude of the Sun.

Accepted Answer

A) True 
 B)False

Question 14

How does the daily insolation received at the top of the atmosphere vary annual from lower to higher latitudes.

Accepted Answer

At lower latitudes, daily insolation is

Question 15

The basic idea behind the planetesimal hypothesis is that

Accepted Answer

A)  planets form as a direct result of the nuclear fusion of nebular gases and planetesimals. 
B)  planets form from the remains of super-giant planetesimals that undergo nuclear fission and blow apart, thereby creating smaller objects-the planets. 
C)  early in the solar system's history, a star passed near to the Sun and pulled off gases that eventually condensed to form planets. 
D)  small grains of cosmic dust and other solids gradual accrete to form planetesimals that may grow to become protoplanets and eventually planets. 
A)  planets form as a direct result of the nuclear fusion of nebular gases and planetesimals. 
B)  planets form from the remains of super-giant planetesimals that undergo nuclear fission and blow apart, thereby creating smaller objects-the planets. 
C)  early in the solar system's history, a star passed near to the Sun and pulled off gases that eventually condensed to form planets. 
D)  small grains of cosmic dust and other solids gradual accrete to form planetesimals that may grow to become protoplanets and eventually planets.

Question 16

According to the planetesimal hypothesis, solar systems condense from nebular dust and gas.

Accepted Answer

A) True 
 B)False

Question 17

Why are seasonal changes less noticeable near the equator than at mid-latitudes?

Accepted Answer

Because the equatorial region receives f

Question 18

The electromagnetic spectrum of radiant energy travels in waves at the speed of light in all directions from the Sun.

Accepted Answer

A) True 
 B)False

Question 19

On approximately which dates is the subsolar point 16° S?

Accepted Answer

A)  March 30 and September 15 
B)  February 5 and November 5 
C)  April 25 and August 20 
D)  May 5 and August 10 
A)  March 30 and September 15 
B)  February 5 and November 5 
C)  April 25 and August 20 
D)  May 5 and August 10

Question 20

Which of the following relationships is incorrect?

Accepted Answer

A)  December solstice - subsolar point at 23.5 S latitude 
B)  March equinox - subsolar point at 0° latitude 
C)  June 21 - subsolar point at 23.5 N latitude 
D)  June solstice - subsolar point at 23.5 N latitude 
E)  September equinox - subsolar point at 23.5° S latitude 
A)  December solstice - subsolar point at 23.5 S latitude 
B)  March equinox - subsolar point at 0° latitude 
C)  June 21 - subsolar point at 23.5 N latitude 
D)  June solstice - subsolar point at 23.5 N latitude 
E)  September equinox - subsolar point at 23.5° S latitude

Define these terms: thermopause, insolation, solar constant, subsolar point.

Which of the following is true of Earth's orbit about the Sun?

In order to study the planetesimal hypothesis, astronomers study this process in other parts of the Galaxy.

The electromagnetic spectrum only shows the wavelengths associated with solar radiation.

Lower latitudes experience the greatest seasonal variation throughout an average year.

The term "net radiation" refers to

Our solar system is located towards the middle of the Milky Way galaxy.

Light travels at a speed of approximately

Which of the following is true?

The Earth's axis is titled 19.5° relative to the plane of the ecliptic.

Which of the following is true of the number of hours of daylight?

Auroras are mainly visible at lower latitudes, from the equator to about 15° N/S.

Seasonality involves the variability of both daylength and the altitude of the Sun.

How does the daily insolation received at the top of the atmosphere vary annual from lower to higher latitudes.

The basic idea behind the planetesimal hypothesis is that

According to the planetesimal hypothesis, solar systems condense from nebular dust and gas.

Why are seasonal changes less noticeable near the equator than at mid-latitudes?

The electromagnetic spectrum of radiant energy travels in waves at the speed of light in all directions from the Sun.

On approximately which dates is the subsolar point 16° S?

Which of the following relationships is incorrect?

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Exam 2: Solar Energy to Earth and the Seasons

Define these terms: thermopause, insolation, solar constant, subsolar point.

Which of the following is true of Earth's orbit about the Sun?

In order to study the planetesimal hypothesis, astronomers study this process in other parts of the Galaxy.

The electromagnetic spectrum only shows the wavelengths associated with solar radiation.

Lower latitudes experience the greatest seasonal variation throughout an average year.

The term "net radiation" refers to

Our solar system is located towards the middle of the Milky Way galaxy.

Light travels at a speed of approximately

Which of the following is true?

The Earth's axis is titled 19.5° relative to the plane of the ecliptic.

Which of the following is true of the number of hours of daylight?

Auroras are mainly visible at lower latitudes, from the equator to about 15° N/S.

Seasonality involves the variability of both daylength and the altitude of the Sun.

How does the daily insolation received at the top of the atmosphere vary annual from lower to higher latitudes.

The basic idea behind the planetesimal hypothesis is that

According to the planetesimal hypothesis, solar systems condense from nebular dust and gas.

Why are seasonal changes less noticeable near the equator than at mid-latitudes?

The electromagnetic spectrum of radiant energy travels in waves at the speed of light in all directions from the Sun.

On approximately which dates is the subsolar point 16° S?

Which of the following relationships is incorrect?

Essentials of Geography

Earths Modern Atmosphere

Atmosphere and Surface Energy Balances

Global Temperatures

Atmospheric and Oceanic Circulations

Water and Atmospheric Moisture

Weather

Water Resources

Global Climate Systems

Climate Change

The Dynamic Planet

Tectonics, Earthquakes, and Volcanism

Weathering, Karst Landscapes, and Mass Movement

River Systems and Landforms

The Oceans, Coastal Processes, and Wind Processes

Glacial and Periglacial Processes and Landforms

The Geography of Soils

Ecosystem Essentials

Terrestrial Biomes

Filters