Question 1

Explain briefly how an impact crater is formed.

Accepted Answer

Impacts involve extremely high velocity,

Question 2

Why couldn't researchers find the crater created by the asteroid that resulted in the extinction of the dinosaurs?

Accepted Answer

A)  It was in a remote part of the world where nobody lives. 
B)  It was too small for anyone to notice. 
C)  It was destroyed by plate tectonic processes. 
D)  It was buried by sedimentary rock and the seafloor. 
E)  It was buried in snow and ice. 
A)  It was in a remote part of the world where nobody lives. 
B)  It was too small for anyone to notice. 
C)  It was destroyed by plate tectonic processes. 
D)  It was buried by sedimentary rock and the seafloor. 
E)  It was buried in snow and ice.

Question 3

The solar system that we live in started as a spinning "pancake" of matter.

Accepted Answer

A) True 
 B)False

Question 4

The earliest time period in the Earth's history is the Paleozoic Era.

Accepted Answer

A) True 
 B)False

Question 5

Tunguska-type events are thought to occur about once every

Accepted Answer

A)  100 years. 
B)  1000 years. 
C)  100 000 years. 
D)  1 million years. 
E)  100 million years. 
A)  100 years. 
B)  1000 years. 
C)  100 000 years. 
D)  1 million years. 
E)  100 million years.

Question 6

What is a supernova?

Accepted Answer

At the end of a star's life,it

Question 7

What does it mean for an asteroid to be "differentiated"?

Accepted Answer

A)  It has both iron and nickel in its composition. 
B)  It contains more than one type of carbon compound. 
C)  It is in a group of asteroids of similar size. 
D)  It has experienced igneous processes. 
E)  It is from the Kuiper belt. 
A)  It has both iron and nickel in its composition. 
B)  It contains more than one type of carbon compound. 
C)  It is in a group of asteroids of similar size. 
D)  It has experienced igneous processes. 
E)  It is from the Kuiper belt.

Question 8

Which of the following solar system features is farthest from the sun?

Accepted Answer

A)  the Oort cloud 
B)  the Kuiper belt 
C)  Pluto 
D)  the asteroid belt 
E)  Neptune 
A)  the Oort cloud 
B)  the Kuiper belt 
C)  Pluto 
D)  the asteroid belt 
E)  Neptune

Question 9

A unique characteristic of the Chicxulub crater was

Accepted Answer

A)  its age. 
B)  its size. 
C)  its nearly circular shape. 
D)  the presence of sinkholes around its edge on land. 
E)  the presence of an impact breccia. 
A)  its age. 
B)  its size. 
C)  its nearly circular shape. 
D)  the presence of sinkholes around its edge on land. 
E)  the presence of an impact breccia.

Question 10

What is high pressure metamorphism?

Accepted Answer

It is high pressure

Question 11

Why is the average risk of dying from a meteorite impact surprisingly high?

Accepted Answer

Although for long periods of t

Question 12

What caused the sinkholes around the edge of the K-T crater?

Accepted Answer

Slow chemical weathe

Question 13

What is the difference between an airburst and an impact?

Accepted Answer

An airburst is an ex

Question 14

What were the two main components of the solar nebula?

Accepted Answer

A)  iron and oxygen 
B)  iron and hydrogen 
C)  iron and helium 
D)  oxygen and helium 
E)  hydrogen and helium 
A)  iron and oxygen 
B)  iron and hydrogen 
C)  iron and helium 
D)  oxygen and helium 
E)  hydrogen and helium

Question 15

According to Archbishop James Ussher,who lived in the 17th century,the Earth was created in 4004 B.C.

Accepted Answer

A) True 
 B)False

Question 16

A meteoroid does not contain any ice.

Accepted Answer

A) True 
 B)False

Question 17

An asteroid whose path may cross the orbital path of the Earth is called a NEO; what does NEO stand for?

Accepted Answer

The answer of An asteroid whose path may cross the...

Question 18

Why do comets have "tails"?

Accepted Answer

The tail of a comet is gas and

Question 19

Can an impact event create an economic metal deposit?

Accepted Answer

Yes,the Sudbury Basin,the worl

Question 20

Comets are distinguished from meteoroids and asteroids by

Accepted Answer

A)  their origin in the comet belt between Mars and Jupiter. 
B)  their very small size. 
C)  their metallic core. 
D)  their glowing tail of gas and dust. 
E)  a spectacular burst of light. 
A)  their origin in the comet belt between Mars and Jupiter. 
B)  their very small size. 
C)  their metallic core. 
D)  their glowing tail of gas and dust. 
E)  a spectacular burst of light.

Explain briefly how an impact crater is formed.

Why couldn't researchers find the crater created by the asteroid that resulted in the extinction of the dinosaurs?

The solar system that we live in started as a spinning "pancake" of matter.

The earliest time period in the Earth's history is the Paleozoic Era.

Tunguska-type events are thought to occur about once every

What is a supernova?

What does it mean for an asteroid to be "differentiated"?

Which of the following solar system features is farthest from the sun?

A unique characteristic of the Chicxulub crater was

What is high pressure metamorphism?

Why is the average risk of dying from a meteorite impact surprisingly high?

What caused the sinkholes around the edge of the K-T crater?

What is the difference between an airburst and an impact?

What were the two main components of the solar nebula?

According to Archbishop James Ussher,who lived in the 17th century,the Earth was created in 4004 B.C.

A meteoroid does not contain any ice.

An asteroid whose path may cross the orbital path of the Earth is called a NEO; what does NEO stand for?

Why do comets have "tails"?

Can an impact event create an economic metal deposit?

Comets are distinguished from meteoroids and asteroids by

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

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Exam 15: Meteorite Impacts and Extinctions

Explain briefly how an impact crater is formed.

Why couldn't researchers find the crater created by the asteroid that resulted in the extinction of the dinosaurs?

The solar system that we live in started as a spinning "pancake" of matter.

The earliest time period in the Earth's history is the Paleozoic Era.

Tunguska-type events are thought to occur about once every

What is a supernova?

What does it mean for an asteroid to be "differentiated"?

Which of the following solar system features is farthest from the sun?

A unique characteristic of the Chicxulub crater was

What is high pressure metamorphism?

Why is the average risk of dying from a meteorite impact surprisingly high?

What caused the sinkholes around the edge of the K-T crater?

What is the difference between an airburst and an impact?

What were the two main components of the solar nebula?

According to Archbishop James Ussher,who lived in the 17th century,the Earth was created in 4004 B.C.

A meteoroid does not contain any ice.

An asteroid whose path may cross the orbital path of the Earth is called a NEO; what does NEO stand for?

Why do comets have "tails"?

Can an impact event create an economic metal deposit?

Comets are distinguished from meteoroids and asteroids by

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