Question 1

The surface of Mars does not contain

Accepted Answer

A) active volcanoes. 
B) meteor craters. 
C) deserts of sand. 
D) signs of surface water in the past. 
A) active volcanoes. 
B) meteor craters. 
C) deserts of sand. 
D) signs of surface water in the past. A

Question 2

Planets shine because they

Accepted Answer

A) emit light. 
B) reflect sunlight. 
C) reflect moonlight. 
D) reflect starlight. 
A) emit light. 
B) reflect sunlight. 
C) reflect moonlight. 
D) reflect starlight. B

Question 3

On an average clear night, the number of meteors that can be seen per hour is

Accepted Answer

A) 1 or 2. 
B) 5 to 10. 
C) 100 to 200. 
D) 1000 to 2000. 
A) 1 or 2. 
B) 5 to 10. 
C) 100 to 200. 
D) 1000 to 2000. B

Question 4

On Mars,

Accepted Answer

A) the durations of day and night are similar to those on the earth. 
B) the duration of the year is about half that of the earth. 
C) the atmosphere is very dense. 
D) there are no deposits of water ice. 
A) the durations of day and night are similar to those on the earth. 
B) the duration of the year is about half that of the earth. 
C) the atmosphere is very dense. 
D) there are no deposits of water ice.

Question 5

Planetary rings

Accepted Answer

A) are thin sheets of rock. 
B) are gas clouds. 
C) consist of small chunks of rock and ice. 
D) are more than 100 km thick. 
A) are thin sheets of rock. 
B) are gas clouds. 
C) consist of small chunks of rock and ice. 
D) are more than 100 km thick.

Question 6

The interior of the moon

Accepted Answer

A) is uniform in structure. 
B) has a liquid core. 
C) is relatively cool. 
D) is active geologically, giving rise to severe moonquakes. 
A) is uniform in structure. 
B) has a liquid core. 
C) is relatively cool. 
D) is active geologically, giving rise to severe moonquakes.

Question 7

The planet having a period of rotation nearest the earth's is

Accepted Answer

A) Mercury. 
B) Venus. 
C) Mars. 
D) Saturn. 
A) Mercury. 
B) Venus. 
C) Mars. 
D) Saturn.

Question 8

Venus is very unlikely to support life because

Accepted Answer

A) it has no atmosphere. 
B) its escape speed is too low. 
C) its surface is too cold. 
D) its surface is too hot. 
A) it has no atmosphere. 
B) its escape speed is too low. 
C) its surface is too cold. 
D) its surface is too hot.

Question 9

The asteroids are probably similar in composition to

Accepted Answer

A) stony meteorites. 
B) iron meteorites. 
C) comets. 
D) Jupiter. 
A) stony meteorites. 
B) iron meteorites. 
C) comets. 
D) Jupiter.

Question 10

The planet with the shortest year is

Accepted Answer

A) Mercury. 
B) Jupiter. 
C) Saturn. 
D) Neptune. 
A) Mercury. 
B) Jupiter. 
C) Saturn. 
D) Neptune.

Question 11

Asteroids

Accepted Answer

A) are fragments of a planet that broke up. 
B) are all approximately spherical. 
C) may be solid, liquid, or gaseous. 
D) sometimes have satellites. 
A) are fragments of a planet that broke up. 
B) are all approximately spherical. 
C) may be solid, liquid, or gaseous. 
D) sometimes have satellites.

Question 12

A planet that has no rings around it is

Accepted Answer

A) Mars. 
B) Jupiter. 
C) Saturn. 
D) Uranus. 
A) Mars. 
B) Jupiter. 
C) Saturn. 
D) Uranus.

Question 13

The maria of the moon are covered with

Accepted Answer

A) water. 
B) hard, smooth rock. 
C) dark, loose soil. 
D) frozen carbon dioxide. 
A) water. 
B) hard, smooth rock. 
C) dark, loose soil. 
D) frozen carbon dioxide.

Question 14

The planet with the longest day is

Accepted Answer

A) Mercury. 
B) Venus. 
C) Earth. 
D) Mars. 
A) Mercury. 
B) Venus. 
C) Earth. 
D) Mars.

Question 15

Traces of life are being sought on a satellite of which of the following planets?

Accepted Answer

A) Mars 
B) Jupiter 
C) Saturn 
D) Uranus 
A) Mars 
B) Jupiter 
C) Saturn 
D) Uranus

Question 16

At full moon, the moon is

Accepted Answer

A) between the earth and the sun. 
B) on the opposite side of the earth from the sun. 
C) on the opposite side of the sun from the earth. 
D) not in line with the earth and the sun. 
A) between the earth and the sun. 
B) on the opposite side of the earth from the sun. 
C) on the opposite side of the sun from the earth. 
D) not in line with the earth and the sun.

Question 17

A planet with no known satellites is

Accepted Answer

A) Venus. 
B) Jupiter. 
C) Saturn. 
D) Uranus. 
A) Venus. 
B) Jupiter. 
C) Saturn. 
D) Uranus.

Question 18

Relative to the oldest rocks that have been found on the earth, the oldest lunar rocks are

Accepted Answer

A) very much younger. 
B) somewhat younger. 
C) about the same age. 
D) older. 
A) very much younger. 
B) somewhat younger. 
C) about the same age. 
D) older.

Question 19

The spacecraft that landed on Mars found

Accepted Answer

A) unambiguous signs of life. 
B) liquid water on the surface. 
C) a strong magnetic field. 
D) lava flows. 
A) unambiguous signs of life. 
B) liquid water on the surface. 
C) a strong magnetic field. 
D) lava flows.

Question 20

If the moon were smaller than it is, total eclipses of the moon would

Accepted Answer

A) never occur. 
B) occur less often than now. 
C) occur as often as now. 
D) occur more often than now. 
A) never occur. 
B) occur less often than now. 
C) occur as often as now. 
D) occur more often than now.

The surface of Mars does not contain

Planets shine because they

On an average clear night, the number of meteors that can be seen per hour is

On Mars,

Planetary rings

The interior of the moon

The planet having a period of rotation nearest the earth's is

Venus is very unlikely to support life because

The asteroids are probably similar in composition to

The planet with the shortest year is

Asteroids

A planet that has no rings around it is

The maria of the moon are covered with

The planet with the longest day is

Traces of life are being sought on a satellite of which of the following planets?

At full moon, the moon is

A planet with no known satellites is

Relative to the oldest rocks that have been found on the earth, the oldest lunar rocks are

The spacecraft that landed on Mars found

If the moon were smaller than it is, total eclipses of the moon would

The Scientific Method

Motion

Energy

Energy and the Future

Matter and Heat

Electricity and Magnetism

Waves

The Nucleus

The Atom

The Periodic Law

Crystals, Ions, and Solutions

Chemical Reactions

Organic Chemistry

Atmosphere and Hydrosphere

The Rock Cycle

The Evolving Earth

The Stars

The Universe

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Exam 17: The Solar System

The surface of Mars does not contain

Planets shine because they

On an average clear night, the number of meteors that can be seen per hour is

On Mars,

Planetary rings

The interior of the moon

The planet having a period of rotation nearest the earth's is

Venus is very unlikely to support life because

The asteroids are probably similar in composition to

The planet with the shortest year is

Asteroids

A planet that has no rings around it is

The maria of the moon are covered with

The planet with the longest day is

Traces of life are being sought on a satellite of which of the following planets?

At full moon, the moon is

A planet with no known satellites is

Relative to the oldest rocks that have been found on the earth, the oldest lunar rocks are

The spacecraft that landed on Mars found

If the moon were smaller than it is, total eclipses of the moon would

The Scientific Method

Motion

Energy

Energy and the Future

Matter and Heat

Electricity and Magnetism

Waves

The Nucleus

The Atom

The Periodic Law

Crystals, Ions, and Solutions

Chemical Reactions

Organic Chemistry

Atmosphere and Hydrosphere

The Rock Cycle

The Evolving Earth

The Stars

The Universe

Filters