Question 1

Meteoroids are visible in Earth's atmosphere because they are heated by ________ with the air.

Accepted Answer

friction,Friction

Question 2

Comet dust particles that later encounter Earth are seen as meteors.

Accepted Answer

A) True 
 B)False  True

Question 3

Which characteristics of asteroids are used to classify them?

Accepted Answer

albedos (reflected brightness and spectroscopic colors (gray to red

Question 4

A ____ is produced by ionized gas carried away from the comet by solar wind.

Accepted Answer

A)  nucleus 
B)  coma 
C)  dust tail 
D)  gas tail 
E)  chondrule 
A)  nucleus 
B)  coma 
C)  dust tail 
D)  gas tail 
E)  chondrule

Question 5

Stony meteorites are common among falls.

Accepted Answer

A) True 
 B)False

Question 6

Why is it easier to find an iron meteorite on the ground that it is to witness one fall?

Accepted Answer

Iron meteorites make up 66 percent of fi

Question 7

Which statement is true about asteroids?

Accepted Answer

A)  All asteroids are found in the asteroid belt between Mars and Jupiter. 
B)  Asteroids are also called dwarf planets. 
C)  Asteroids have an irregular shape and are battered by impact cratering. 
D)  All asteroids have bright, reflective surfaces. 
E)  Asteroids originated from older moons. 
A)  All asteroids are found in the asteroid belt between Mars and Jupiter. 
B)  Asteroids are also called dwarf planets. 
C)  Asteroids have an irregular shape and are battered by impact cratering. 
D)  All asteroids have bright, reflective surfaces. 
E)  Asteroids originated from older moons.

Question 8

Differentiate the S-, C- and M-type asteroids.

Accepted Answer

C-type asteroids have albedos less than

Question 9

What kind of asteroid crosses into Mars' orbit?

Accepted Answer

A)  Apollo object 
B)  Amor object 
C)  Centaur asteroids 
D)  Kirkwood objects 
E)  Trojan asteroids 
A)  Apollo object 
B)  Amor object 
C)  Centaur asteroids 
D)  Kirkwood objects 
E)  Trojan asteroids

Question 10

Once an object strikes Earth's surface, it is called a "meteor".

Accepted Answer

A) True 
 B)False

Question 11

The Barringer crater was formed 50,000 years ago by a comet.

Accepted Answer

A) True 
 B)False

Question 12

Which type of asteroid is classified only slightly red, mostly consisting of an iron-nickel alloy?

Accepted Answer

A)  C-type 
B)  F-type 
C)  M-type 
D)  S-type 
E)  V-type 
A)  C-type 
B)  F-type 
C)  M-type 
D)  S-type 
E)  V-type

Question 13

What are the most common type of meteorite?

Accepted Answer

A)  chondrites 
B)  chondrules 
C)  iron meteorites 
D)  carbonaceous chondrites 
E)  calcium-rich carbonites 
A)  chondrites 
B)  chondrules 
C)  iron meteorites 
D)  carbonaceous chondrites 
E)  calcium-rich carbonites

Question 14

What do astronomers believe asteroids are remnants of and why?

Accepted Answer

Astronomers have evidence that the aster

Question 15

Which type of asteroid is classified to be dark as coal and probably carbonaceous?

Accepted Answer

A)  C-type 
B)  F-type 
C)  M-type 
D)  S-type 
E)  V-type 
A)  C-type 
B)  F-type 
C)  M-type 
D)  S-type 
E)  V-type

Question 16

Comets are solid objects.

Accepted Answer

A) True 
 B)False

Question 17

When you document the time and place of a meteorite as it streams through the atmosphere, it is considered a(n) ____.

Accepted Answer

A)  fall 
B)  find 
C)  meteoroid 
D)  chondrite 
E)  impactor 
A)  fall 
B)  find 
C)  meteoroid 
D)  chondrite 
E)  impactor

Question 18

Which comet hit Jupiter in 1994?

Accepted Answer

A)  Comet Tempel 1 
B)  Comet Kohoutek 
C)  Comet Hale-Bopp 
D)  Comet Halley 
E)  Comet Shoemaker-Levy 9 
A)  Comet Tempel 1 
B)  Comet Kohoutek 
C)  Comet Hale-Bopp 
D)  Comet Halley 
E)  Comet Shoemaker-Levy 9

Question 19

What is so special about the carbonaceous chondrites?

Accepted Answer

A)  rich in hydrogen and helium 
B)  rich in organic compounds 
C)  rich in nitrogen 
D)  rich in oxygen 
E)  rich in rare metals, such as gold 
A)  rich in hydrogen and helium 
B)  rich in organic compounds 
C)  rich in nitrogen 
D)  rich in oxygen 
E)  rich in rare metals, such as gold

Question 20

What do CAIs include?

Accepted Answer

A)  carbon and aluminum 
B)  carbon and ammonium 
C)  calcium and argon 
D)  chlorine and argon 
E)  calcium and aluminum 
A)  carbon and aluminum 
B)  carbon and ammonium 
C)  calcium and argon 
D)  chlorine and argon 
E)  calcium and aluminum

Meteoroids are visible in Earth's atmosphere because they are heated by ________ with the air.

Comet dust particles that later encounter Earth are seen as meteors.

Which characteristics of asteroids are used to classify them?

A ____ is produced by ionized gas carried away from the comet by solar wind.

Stony meteorites are common among falls.

Why is it easier to find an iron meteorite on the ground that it is to witness one fall?

Which statement is true about asteroids?

Differentiate the S-, C- and M-type asteroids.

What kind of asteroid crosses into Mars' orbit?

Once an object strikes Earth's surface, it is called a "meteor".

The Barringer crater was formed 50,000 years ago by a comet.

Which type of asteroid is classified only slightly red, mostly consisting of an iron-nickel alloy?

What are the most common type of meteorite?

What do astronomers believe asteroids are remnants of and why?

Which type of asteroid is classified to be dark as coal and probably carbonaceous?

Comets are solid objects.

When you document the time and place of a meteorite as it streams through the atmosphere, it is considered a(n) ____.

Which comet hit Jupiter in 1994?

What is so special about the carbonaceous chondrites?

What do CAIs include?

Here and Now

A User S Guide to the Sky

Moon Phases and Eclipses

Origins of Modern Astronomy

Gravity

Light and Telescopes

Atoms and Spectra

The Sun

Origin of the Solar System and Extrasolar Planets

Earth the Active Planet

The Moon and Mercury: Comparing Airless Worlds

Venus and Mars

Jupiter and Saturn

Uranus Neptune Pluto and the Kuiper Belt

Astrobiology: Life on Other Worlds

Filters

Exam 16: Meteorites Asteroids and Comets

Meteoroids are visible in Earth's atmosphere because they are heated by ________ with the air.

Comet dust particles that later encounter Earth are seen as meteors.

Which characteristics of asteroids are used to classify them?

A ____ is produced by ionized gas carried away from the comet by solar wind.

Stony meteorites are common among falls.

Why is it easier to find an iron meteorite on the ground that it is to witness one fall?

Which statement is true about asteroids?

Differentiate the S-, C- and M-type asteroids.

What kind of asteroid crosses into Mars' orbit?

Once an object strikes Earth's surface, it is called a "meteor".

The Barringer crater was formed 50,000 years ago by a comet.

Which type of asteroid is classified only slightly red, mostly consisting of an iron-nickel alloy?

What are the most common type of meteorite?

What do astronomers believe asteroids are remnants of and why?

Which type of asteroid is classified to be dark as coal and probably carbonaceous?

Comets are solid objects.

When you document the time and place of a meteorite as it streams through the atmosphere, it is considered a(n) ____.

Which comet hit Jupiter in 1994?

What is so special about the carbonaceous chondrites?

What do CAIs include?

Here and Now

A User S Guide to the Sky

Moon Phases and Eclipses

Origins of Modern Astronomy

Gravity

Light and Telescopes

Atoms and Spectra

The Sun

Origin of the Solar System and Extrasolar Planets

Earth the Active Planet

The Moon and Mercury: Comparing Airless Worlds

Venus and Mars

Jupiter and Saturn

Uranus Neptune Pluto and the Kuiper Belt

Astrobiology: Life on Other Worlds

Filters