Question 1

An impact or an airburst from an object several kilometres in diameter

Accepted Answer

A)  would likely kill several thousand people. 
B)  would be felt worldwide. 
C)  occurs every 1000 to 10 000 years. 
D)  would cause great damage but little loss of life. 
E)  has yet to occur on the Earth's surface. 
A)  would likely kill several thousand people. 
B)  would be felt worldwide. 
C)  occurs every 1000 to 10 000 years. 
D)  would cause great damage but little loss of life. 
E)  has yet to occur on the Earth's surface.

Question 2

Describe the sequence of events that could collectively cause a mass extinction if a large object impacted Earth,such as happened 65 million years ago.

Accepted Answer

The impact would generate a shock wave,m

Question 3

The iridium-rich clay layer marking the K-T boundary has only been found in one place on Earth so far.

Accepted Answer

A) True 
 B)False

Question 4

The Barringer Crater

Accepted Answer

A)  is a simple crater. 
B)  is a complex crater. 
C)  is located in the province of Quebec. 
D)  was created by an airburst. 
E)  is not a crater. 
A)  is a simple crater. 
B)  is a complex crater. 
C)  is located in the province of Quebec. 
D)  was created by an airburst. 
E)  is not a crater.

Question 5

Which of the following describes a comet?

Accepted Answer

A)  moderate diameter (<10m) object originating from collisions of asteroids 
B)  large diameter (10m-1000km) object originating from belt between Jupiter and Mars 
C)  small diameter (<10 cm) object destroyed in Earth's atmosphere 
D)  variable-sized object that intersects the Earth's surface 
E)  icy object that appears to have a tail as it burns, originates from outside our solar system 
A)  moderate diameter (<10m) object originating from collisions of asteroids 
B)  large diameter (10m-1000km) object originating from belt between Jupiter and Mars 
C)  small diameter (<10 cm) object destroyed in Earth's atmosphere 
D)  variable-sized object that intersects the Earth's surface 
E)  icy object that appears to have a tail as it burns, originates from outside our solar system

Question 6

The meteorite impact at the K-T boundary generated huge tsunami which left deposits over vast areas of what is now Texas.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following is NOT true of the Tunguska Event occurring in Siberia in 1908?

Accepted Answer

A)  The crater created by the asteroid was found to be approximately 1 km in diameter. 
B)  Over 2000 km² of forest was burned and flattened. 
C)  The asteroid is thought to be between 25 m to 50 m in diameter. 
D)  The blast from the explosion was heard over an area of at least 1 million km² . 
E)  These types of events are thought to occur about once every 1000 years. 
A)  The crater created by the asteroid was found to be approximately 1 km in diameter. 
B)  Over 2000 km² of forest was burned and flattened. 
C)  The asteroid is thought to be between 25 m to 50 m in diameter. 
D)  The blast from the explosion was heard over an area of at least 1 million km² . 
E)  These types of events are thought to occur about once every 1000 years.

Question 8

A meteor can have a stony,metallic,carbonaceous,or icy composition.

Accepted Answer

A) True 
 B)False

Question 9

Why is the terrain surrounding Meteor Crater in Arizona irregular and hummocky?

Accepted Answer

These are features called an "

Question 10

Canada contains two of the five largest known impact craters in the world.

Accepted Answer

A) True 
 B)False

Question 11

A Tunguska-like event would cause catastrophic damage

Accepted Answer

A)  no matter where it occurred. 
B)  if it happened over land. 
C)  if it happened over an urban area. 
D)  if it happened over the north pole. 
E)  unless warnings were issued. 
A)  no matter where it occurred. 
B)  if it happened over land. 
C)  if it happened over an urban area. 
D)  if it happened over the north pole. 
E)  unless warnings were issued.

Question 12

In terms of avoiding an impact from an asteroid,what do you think is the best solution? Why?

Accepted Answer

A large asteroid impact probably has ret

Question 13

Which of the following geological units comprises the greatest length of time in Earth's history?

Accepted Answer

A)  Cenozoic 
B)  Mesozoic 
C)  Pleistocene 
D)  Precambrian 
E)  Cretaceous 
A)  Cenozoic 
B)  Mesozoic 
C)  Pleistocene 
D)  Precambrian 
E)  Cretaceous

Question 14

The probability that you will be killed by a meteorite impact is higher than the probability that you'll be killed in a car crash.

Accepted Answer

A) True 
 B)False

Question 15

Massive stars have longer lives than smaller ones do.

Accepted Answer

A) True 
 B)False

Question 16

What is the significance of the Tunguska River Valley in Siberia in terms of asteroids?

Accepted Answer

A)  It is where the largest comet was sighted. 
B)  It is where a large airburst of an asteroid occurred in recent history. 
C)  It is the site of a crater that marks the asteroid that killed the dinosaurs. 
D)  It is the site of the largest impact crater ever recorded on Earth. 
E)  It is a site of enormous wildfires in prehistoric times. 
A)  It is where the largest comet was sighted. 
B)  It is where a large airburst of an asteroid occurred in recent history. 
C)  It is the site of a crater that marks the asteroid that killed the dinosaurs. 
D)  It is the site of the largest impact crater ever recorded on Earth. 
E)  It is a site of enormous wildfires in prehistoric times.

Question 17

While sitting outside on a clear night with friends someone makes the statement "Look at all the impact craters on the moon.It must get hit with a lot more asteroids than Earth." How would you explain to this person that their statement is presumptuous?

Accepted Answer

There are many reasons why impact crater

Question 18

The cause of the most recent mass extinction identified in Earth's history is

Accepted Answer

A)  a meteorite impact. 
B)  large scale volcanism. 
C)  major change in ocean circulation. 
D)  continental glaciation. 
E)  human activities. 
A)  a meteorite impact. 
B)  large scale volcanism. 
C)  major change in ocean circulation. 
D)  continental glaciation. 
E)  human activities.

Question 19

Acid rain is a characteristic of a catastrophic impact

Accepted Answer

A)  that occurs minutes after impact. 
B)  that occurs months after impact. 
C)  that occurs years after an impact. 
D)  into an ocean. 
E)  that produces an airburst. 
A)  that occurs minutes after impact. 
B)  that occurs months after impact. 
C)  that occurs years after an impact. 
D)  into an ocean. 
E)  that produces an airburst.

Question 20

Asteroids are only found in the Oort Cloud.

Accepted Answer

A) True 
 B)False

An impact or an airburst from an object several kilometres in diameter

Describe the sequence of events that could collectively cause a mass extinction if a large object impacted Earth,such as happened 65 million years ago.

The iridium-rich clay layer marking the K-T boundary has only been found in one place on Earth so far.

The Barringer Crater

Which of the following describes a comet?

The meteorite impact at the K-T boundary generated huge tsunami which left deposits over vast areas of what is now Texas.

Which of the following is NOT true of the Tunguska Event occurring in Siberia in 1908?

A meteor can have a stony,metallic,carbonaceous,or icy composition.

Why is the terrain surrounding Meteor Crater in Arizona irregular and hummocky?

Canada contains two of the five largest known impact craters in the world.

A Tunguska-like event would cause catastrophic damage

In terms of avoiding an impact from an asteroid,what do you think is the best solution? Why?

Which of the following geological units comprises the greatest length of time in Earth's history?

The probability that you will be killed by a meteorite impact is higher than the probability that you'll be killed in a car crash.

Massive stars have longer lives than smaller ones do.

What is the significance of the Tunguska River Valley in Siberia in terms of asteroids?

While sitting outside on a clear night with friends someone makes the statement "Look at all the impact craters on the moon.It must get hit with a lot more asteroids than Earth." How would you explain to this person that their statement is presumptuous?

The cause of the most recent mass extinction identified in Earth's history is

Acid rain is a characteristic of a catastrophic impact

Asteroids are only found in the Oort Cloud.

Introduction to Natural Hazards

Internal Structure of Earth and Plate Tectonics

Earthquakes

Tsunamis

Volcanoes and Volcanic Eruptions

Landslides

Snow Avalanches

Subsidence and Soil Expansion and Contraction

River Flooding

Atmosphere and Severe Weather

Hurricanes and Extratropical Cyclones

Waves, Currents, and Coastlines

Wildfires

Climate Change

Filters

Exam 15: Meteorite Impacts and Extinctions

An impact or an airburst from an object several kilometres in diameter

Describe the sequence of events that could collectively cause a mass extinction if a large object impacted Earth,such as happened 65 million years ago.

The iridium-rich clay layer marking the K-T boundary has only been found in one place on Earth so far.

The Barringer Crater

Which of the following describes a comet?

The meteorite impact at the K-T boundary generated huge tsunami which left deposits over vast areas of what is now Texas.

Which of the following is NOT true of the Tunguska Event occurring in Siberia in 1908?

A meteor can have a stony,metallic,carbonaceous,or icy composition.

Why is the terrain surrounding Meteor Crater in Arizona irregular and hummocky?

Canada contains two of the five largest known impact craters in the world.

A Tunguska-like event would cause catastrophic damage

In terms of avoiding an impact from an asteroid,what do you think is the best solution? Why?

Which of the following geological units comprises the greatest length of time in Earth's history?

The probability that you will be killed by a meteorite impact is higher than the probability that you'll be killed in a car crash.

Massive stars have longer lives than smaller ones do.

What is the significance of the Tunguska River Valley in Siberia in terms of asteroids?

While sitting outside on a clear night with friends someone makes the statement "Look at all the impact craters on the moon.It must get hit with a lot more asteroids than Earth." How would you explain to this person that their statement is presumptuous?

The cause of the most recent mass extinction identified in Earth's history is

Acid rain is a characteristic of a catastrophic impact

Asteroids are only found in the Oort Cloud.

Introduction to Natural Hazards

Internal Structure of Earth and Plate Tectonics

Earthquakes

Tsunamis

Volcanoes and Volcanic Eruptions

Landslides

Snow Avalanches

Subsidence and Soil Expansion and Contraction

River Flooding

Atmosphere and Severe Weather

Hurricanes and Extratropical Cyclones

Waves, Currents, and Coastlines

Wildfires

Climate Change

Filters