Question 1

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 B

Question 2

On any clear night, you can see 3 to 15 meteors per hour.

Accepted Answer

A) True 
 B)False  True

Question 3

Iron meteorites are easy to recognize because a magnet can stick to them.

Accepted Answer

A) True 
 B)False  True

Question 4

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 5

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 6

What do the size and shape of Widmanstätten patters indicate?

Accepted Answer

A)  the age of the meteorite 
B)  that the molten metal of the meteorite cooled very slowly 
C)  the metallic content of the core of the meteorite 
D)  the origination of the meteorite 
E)  the number of organic compounds found within the meteorite 
A)  the age of the meteorite 
B)  that the molten metal of the meteorite cooled very slowly 
C)  the metallic content of the core of the meteorite 
D)  the origination of the meteorite 
E)  the number of organic compounds found within the meteorite

Question 7

Orbits almost free of asteroids within the asteroid belt are called _______________.

Accepted Answer

The answer of Orbits almost free of asteroids within the...

Question 8

Asteroid 2004 MN4 is predicted to strike Earth in 2029.

Accepted Answer

A) True 
 B)False

Question 9

What do astronomers believe asteroids are remnants of and why?

Accepted Answer

Astronomers have evidence that the aster

Question 10

Stony meteorites called _______________ tend to be rock with a composition similar to Earth's basalts with no volatiles.

Accepted Answer

The answer of Stony meteorites called _______________ tend to be...

Question 11

What are Sun grazers?

Accepted Answer

A)  asteroids that impact the Sun 
B)  meteors that impact the Sun 
C)  any celestial body that orbits the Sun 
D)  asteroids that come in close proximity to the Sun 
E)  comets that come in close proximity to the Sun 
A)  asteroids that impact the Sun 
B)  meteors that impact the Sun 
C)  any celestial body that orbits the Sun 
D)  asteroids that come in close proximity to the Sun 
E)  comets that come in close proximity to the Sun

Question 12

Why is it important to look closely at the bands of the interior of a meteorite?

Accepted Answer

When iron meteorites are sliced open, po

Question 13

Sequence the events in the origination of different types of meteorites.

Accepted Answer

Meteorites are fragments of parent bodie

Question 14

Why is it easier to locate meteorites in Antarctica than anywhere else on Earth?

Accepted Answer

A)  Antarctica is an easy location for humans to access. 
B)  More scientists are in the area to find meteorites. 
C)  When meteorites land, they melt a small crater on the ice. 
D)  Meteorites are easy to detect on top of the ice where there are no Earth rocks. 
E)  Meteorites fall most often through the ozone hole above the South Pole. 
A)  Antarctica is an easy location for humans to access. 
B)  More scientists are in the area to find meteorites. 
C)  When meteorites land, they melt a small crater on the ice. 
D)  Meteorites are easy to detect on top of the ice where there are no Earth rocks. 
E)  Meteorites fall most often through the ozone hole above the South Pole.

Question 15

What do scientists believe to have caused the Tunguska event?

Accepted Answer

A)  a comet 
B)  an iron asteroid 
C)  a stony-iron meteorite 
D)  a stony asteroid 
E)  a carbonaceous chondrite 
A)  a comet 
B)  an iron asteroid 
C)  a stony-iron meteorite 
D)  a stony asteroid 
E)  a carbonaceous chondrite

Question 16

Eugene Shoemaker proved that the Barringer Crater is the result of an impact because he found _______________ in and around the crater that had been subjected to pressures higher than those produced by a volcano.

Accepted Answer

The answer of Eugene Shoemaker proved that the Barringer Crater...

Question 17

What type of celestial bodies are found within the Oort cloud?

Accepted Answer

A)  terrestrial-like planets 
B)  planetesimals 
C)  icy gas giants 
D)  dust and rock 
E)  icy bodies 
A)  terrestrial-like planets 
B)  planetesimals 
C)  icy gas giants 
D)  dust and rock 
E)  icy bodies

Question 18

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 19

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 20

In what type of meteorites are Widmanstätten patterns found?

Accepted Answer

A)  stony 
B)  iron 
C)  stony-iron 
D)  carbonaceous 
E)  centaur 
A)  stony 
B)  iron 
C)  stony-iron 
D)  carbonaceous 
E)  centaur

Exam 25: Meteorites, Asteroids, and Comets

What kind of asteroid crosses into Mars' orbit?

On any clear night, you can see 3 to 15 meteors per hour.

Iron meteorites are easy to recognize because a magnet can stick to them.

Which comet hit Jupiter in 1994?

What is so special about the carbonaceous chondrites?

What do the size and shape of Widmanstätten patters indicate?

Orbits almost free of asteroids within the asteroid belt are called _______________.

Asteroid 2004 MN4 is predicted to strike Earth in 2029.

What do astronomers believe asteroids are remnants of and why?

Stony meteorites called _______________ tend to be rock with a composition similar to Earth's basalts with no volatiles.

What are Sun grazers?

Why is it important to look closely at the bands of the interior of a meteorite?

Sequence the events in the origination of different types of meteorites.

Why is it easier to locate meteorites in Antarctica than anywhere else on Earth?

What do scientists believe to have caused the Tunguska event?

Eugene Shoemaker proved that the Barringer Crater is the result of an impact because he found _______________ in and around the crater that had been subjected to pressures higher than those produced by a volcano.

What type of celestial bodies are found within the Oort cloud?

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

What are the most common type of meteorite?

In what type of meteorites are Widmanstätten patterns found?

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