Question 1

What evidence of water on ancient Mars was discovered by the Opportunity rover?

Accepted Answer

A) Fossils of marine organisms 
B) Hematite deposits 
C) Ancient coral reefs 
D) Disturbed terrain caused by tidal waves 
A) Fossils of marine organisms 
B) Hematite deposits 
C) Ancient coral reefs 
D) Disturbed terrain caused by tidal waves

Question 2

During some seasons the barometric pressure on Mars drops steadily for months at a time.Why?

Accepted Answer

A) Tides cause the atmosphere to rise and fall 
B) The atmospheric gas is solidifying on one of the polar caps 
C) Gas is escaping rapidly into space 
D) Enormous storms are forming around low pressure regions 
A) Tides cause the atmosphere to rise and fall 
B) The atmospheric gas is solidifying on one of the polar caps 
C) Gas is escaping rapidly into space 
D) Enormous storms are forming around low pressure regions

Question 3

The images transmitted by one of the Viking landers showed frost near the lander during Martian winter.What was the frost made of?

Accepted Answer

A) Water 
B) Methane 
C) Ammonia 
D) Carbon dioxide 
A) Water 
B) Methane 
C) Ammonia 
D) Carbon dioxide

Question 4

Why is the Martian sky sometimes pink?

Accepted Answer

A) Light reflected from the Martian surface is red in color 
B) There is dust suspended in the Martian atmosphere 
C) There are frequent auroral displays on Mars 
D) The sunlight reaching Mars is redder than that reaching Earth 
A) Light reflected from the Martian surface is red in color 
B) There is dust suspended in the Martian atmosphere 
C) There are frequent auroral displays on Mars 
D) The sunlight reaching Mars is redder than that reaching Earth

Question 5

Which of the following supports the claim that results of the labeled release experiment do not imply the existence of life on Mars?

Accepted Answer

A) A soil sample,moistened a second time,did not release additional gas 
B) A heated soil sample did not produce gas 
C) The nutrient solution contained carbon 14,which is radioactive 
D) None of the soil samples produced any nitrogen gas 
A) A soil sample,moistened a second time,did not release additional gas 
B) A heated soil sample did not produce gas 
C) The nutrient solution contained carbon 14,which is radioactive 
D) None of the soil samples produced any nitrogen gas

Question 6

We see impact craters on the slopes of large Martian volcanoes.What does that tell us about the volcanoes?

Accepted Answer

A) They are billions of years old 
B) They attract infalling meteoroids 
C) There have never been rivers on the volcano slopes 
D) They produce lava that is laid down in very thin layers 
A) They are billions of years old 
B) They attract infalling meteoroids 
C) There have never been rivers on the volcano slopes 
D) They produce lava that is laid down in very thin layers

Question 7

What was the result of the life-detection experiments that were carried out on the Viking missions to Mars?

Accepted Answer

A) No clear-cut evidence of life was detected 
B) Microbial life was found 
C) No life was found,but numerous organic compounds suggest life in the past 
D) The life-detection experiments mysteriously disappeared. 
A) No clear-cut evidence of life was detected 
B) Microbial life was found 
C) No life was found,but numerous organic compounds suggest life in the past 
D) The life-detection experiments mysteriously disappeared.

Question 8

Some of the Martian channels originate in chaotic (jumbled)terrain.How were the chaotic terrain and the channels emerging from them probably produced?

Accepted Answer

A) Melting of underground ice followed by the flow of water 
B) Small volcanic outbursts followed by the flow of lava 
C) Grazing impacts by interplanetary debris 
D) Mars-quakes followed by landslides 
A) Melting of underground ice followed by the flow of water 
B) Small volcanic outbursts followed by the flow of lava 
C) Grazing impacts by interplanetary debris 
D) Mars-quakes followed by landslides

Question 9

How many known satellites does Mars have?

Accepted Answer

A) 0 
B) 1 
C) 2 
D) 4 
A) 0 
B) 1 
C) 2 
D) 4

Question 10

In what way does Mars differ significantly from the Earth?

Accepted Answer

A) Tilt of its rotational axis 
B) Presence of polar ice caps,that grow and shrink with the seasons. 
C) A 24 hour day 
D) Amount of dynamic surface activity 
A) Tilt of its rotational axis 
B) Presence of polar ice caps,that grow and shrink with the seasons. 
C) A 24 hour day 
D) Amount of dynamic surface activity

Question 11

A major reason for the size of volcanoes on Mars is

Accepted Answer

A) The lack of tectonic activity 
B) The rapid rotation rate (24.5 hours) 
C) The large number of subsurface lakes 
D) The lack of an intense magnetic dynamo 
E) High winds 
A) The lack of tectonic activity 
B) The rapid rotation rate (24.5 hours) 
C) The large number of subsurface lakes 
D) The lack of an intense magnetic dynamo 
E) High winds

Question 12

The major constituent of the Martian atmosphere is

Accepted Answer

A) Water 
B) Oxygen 
C) Argon 
D) Carbon dioxide 
E) Carbon monoxide 
A) Water 
B) Oxygen 
C) Argon 
D) Carbon dioxide 
E) Carbon monoxide

Question 13

Our view of the surface of Mars is sometimes blocked by

Accepted Answer

A) Thick ice clouds 
B) Dust storms 
C) Dust clouds produced by volcanic eruptions 
D) Smoke from widespread fires 
A) Thick ice clouds 
B) Dust storms 
C) Dust clouds produced by volcanic eruptions 
D) Smoke from widespread fires

What evidence of water on ancient Mars was discovered by the Opportunity rover?

During some seasons the barometric pressure on Mars drops steadily for months at a time.Why?

The images transmitted by one of the Viking landers showed frost near the lander during Martian winter.What was the frost made of?

Why is the Martian sky sometimes pink?

Which of the following supports the claim that results of the labeled release experiment do not imply the existence of life on Mars?

We see impact craters on the slopes of large Martian volcanoes.What does that tell us about the volcanoes?

What was the result of the life-detection experiments that were carried out on the Viking missions to Mars?

Some of the Martian channels originate in chaotic (jumbled)terrain.How were the chaotic terrain and the channels emerging from them probably produced?

How many known satellites does Mars have?

In what way does Mars differ significantly from the Earth?

A major reason for the size of volcanoes on Mars is

The major constituent of the Martian atmosphere is

Our view of the surface of Mars is sometimes blocked by

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Exam 11: Mars

What evidence of water on ancient Mars was discovered by the Opportunity rover?

During some seasons the barometric pressure on Mars drops steadily for months at a time.Why?

The images transmitted by one of the Viking landers showed frost near the lander during Martian winter.What was the frost made of?

Why is the Martian sky sometimes pink?

Which of the following supports the claim that results of the labeled release experiment do not imply the existence of life on Mars?

We see impact craters on the slopes of large Martian volcanoes.What does that tell us about the volcanoes?

What was the result of the life-detection experiments that were carried out on the Viking missions to Mars?

Some of the Martian channels originate in chaotic (jumbled)terrain.How were the chaotic terrain and the channels emerging from them probably produced?

How many known satellites does Mars have?

In what way does Mars differ significantly from the Earth?

A major reason for the size of volcanoes on Mars is

The major constituent of the Martian atmosphere is

Our view of the surface of Mars is sometimes blocked by

Journeys Start

Patterns in the Sky

Ancient Astronomy

Renaissance Astronomy

Gravity and Motion

Light and Telescopes

Overview of the Solar System

The Earth

The Moon

Mercury and Venus

Jupiter and Saturn

The Outer Solar System

Satellites

Small Solar System Bodies

Basic Properties of Stars

The Sun

The Formation of Stars and Planets

The Evolution of Stars

White Dwarfs, neutron Stars, and Black Holes

Binary Star Systems

The Milky Way

Galaxies

Quasars and Other Active Galaxies

Galaxy Clusters and the Structure of the Universe

Cosmology

Life in the Universe

Filters