Question 1

The number of comets that have thus far been observed is about

Accepted Answer

A)  40 
B)  4 thousands 
C)  4 million 
D)  4 billion 
A)  40 
B)  4 thousands 
C)  4 million 
D)  4 billion

Question 2

Most asteroids lie in a belt between

Accepted Answer

A)  Mercury and the sun. 
B)  Earth and Mars. 
C)  Earth and moon. 
D)  Mars and Jupiter. 
A)  Mercury and the sun. 
B)  Earth and Mars. 
C)  Earth and moon. 
D)  Mars and Jupiter.

Question 3

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 4

The maria of the moon

Accepted Answer

A)  are found only on the hemisphere that faces the earth. 
B)  are found only on the hemisphere that faces away from the earth. 
C)  are found everywhere on the moon's surface. 
D)  regularly change size and shape. 
A)  are found only on the hemisphere that faces the earth. 
B)  are found only on the hemisphere that faces away from the earth. 
C)  are found everywhere on the moon's surface. 
D)  regularly change size and shape.

Question 5

The moon has an abundance of

Accepted Answer

A)  atmospheric gases. 
B)  water. 
C)  ice. 
D)  craters. 
A)  atmospheric gases. 
B)  water. 
C)  ice. 
D)  craters.

Question 6

The planet with the largest satellite is

Accepted Answer

A)  Earth. 
B)  Mars. 
C)  Jupiter. 
D)  Neptune. 
A)  Earth. 
B)  Mars. 
C)  Jupiter. 
D)  Neptune.

Question 7

Of the following planets, the one with the thinnest atmosphere is

Accepted Answer

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

Question 8

Surface temperatures are lowest on

Accepted Answer

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

Question 9

The solar wind

Accepted Answer

A)  blows over the sun's surface. 
B)  consists of photons streaming from the sun. 
C)  consists of ions streaming from the sun. 
D)  consists of hydrogen atoms streaming from the sun. 
A)  blows over the sun's surface. 
B)  consists of photons streaming from the sun. 
C)  consists of ions streaming from the sun. 
D)  consists of hydrogen atoms streaming from the sun.

Question 10

The tail of a comet

Accepted Answer

A)  is constant in size. 
B)  always points away from its direction of motion. 
C)  always points toward the sun. 
D)  always points away from the sun. 
A)  is constant in size. 
B)  always points away from its direction of motion. 
C)  always points toward the sun. 
D)  always points away from the sun.

Question 11

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

Question 12

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 13

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 14

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 15

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 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

Venus

Accepted Answer

A)  rotates counterclockwise looking downward on its north pole), as the other planets do. 
B)  shows signs of volcanic activity in the past. 
C)  has a crust that consists of huge shifting plates, as the earth does. 
D)  has a thin atmosphere mainly of oxygen. 
A)  rotates counterclockwise looking downward on its north pole), as the other planets do. 
B)  shows signs of volcanic activity in the past. 
C)  has a crust that consists of huge shifting plates, as the earth does. 
D)  has a thin atmosphere mainly of oxygen.

Question 18

The Great Red Spot is an atmospheric disturbance occurring on the planet

Accepted Answer

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

Question 19

The planet that appears brightest in the sky is

Accepted Answer

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

Question 20

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.

The number of comets that have thus far been observed is about

Most asteroids lie in a belt between

Asteroids

The maria of the moon

The moon has an abundance of

The planet with the largest satellite is

Of the following planets, the one with the thinnest atmosphere is

Surface temperatures are lowest on

The solar wind

The tail of a comet

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

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

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

The interior of the moon

The spacecraft that landed on Mars found

At full moon, the moon is

Venus

The Great Red Spot is an atmospheric disturbance occurring on the planet

The planet that appears brightest in the sky is

On Mars,

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 Galaxies

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Exam 17: The Solar System

The number of comets that have thus far been observed is about

Most asteroids lie in a belt between

Asteroids

The maria of the moon

The moon has an abundance of

The planet with the largest satellite is

Of the following planets, the one with the thinnest atmosphere is

Surface temperatures are lowest on

The solar wind

The tail of a comet

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

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

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

The interior of the moon

The spacecraft that landed on Mars found

At full moon, the moon is

Venus

The Great Red Spot is an atmospheric disturbance occurring on the planet

The planet that appears brightest in the sky is

On Mars,

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 Galaxies

Filters