Question 1

In the process of nuclear fusion,

Accepted Answer

A)  two or more nuclei fuse or stick together to form a heavier nucleus that has exactly the same mass as the original nucleus 
B)  a heavy nucleus breaks apart into a number of smaller nuclei whose combined mass is less than the original nucleus 
C)  two or more nuclei fuse or stick together to form a heavier nucleus whose combined mass is slightly less than the original nucleus 
D)  two or more nuclei fuse or stick together to form a heavier nucleus whose combined mass is slightly greater than the original nucleus 
A)  two or more nuclei fuse or stick together to form a heavier nucleus that has exactly the same mass as the original nucleus 
B)  a heavy nucleus breaks apart into a number of smaller nuclei whose combined mass is less than the original nucleus 
C)  two or more nuclei fuse or stick together to form a heavier nucleus whose combined mass is slightly less than the original nucleus 
D)  two or more nuclei fuse or stick together to form a heavier nucleus whose combined mass is slightly greater than the original nucleus

Question 2

The Big Bang predicts that after the universe was born it

Accepted Answer

A)  consisted of an equal mixture of all the chemical elements 
B)  was completely empty 
C)  consisted of mostly hydrogen and helium 
D)  consisted of mostly carbon, hydrogen, oxygen and nitrogen 
A)  consisted of an equal mixture of all the chemical elements 
B)  was completely empty 
C)  consisted of mostly hydrogen and helium 
D)  consisted of mostly carbon, hydrogen, oxygen and nitrogen

Question 3

Due to the vast scale of the universe, when we observe a star in the night sky, we are seeing it

Accepted Answer

A)  not as it is now, but as it will be in the future 
B)  as it was at the moment the universe formed 
C)  as it is right now 
D)  not as it is now, but as it was in the past 
A)  not as it is now, but as it will be in the future 
B)  as it was at the moment the universe formed 
C)  as it is right now 
D)  not as it is now, but as it was in the past

In the process of nuclear fusion,

The Big Bang predicts that after the universe was born it

Due to the vast scale of the universe, when we observe a star in the night sky, we are seeing it

A Universe of Life

The Science of Life in the Universe

The Habitability of Earth

The Nature of Life on Earth

The Origin and Evolution of Life on Earth

Searching for Life in Our Solar System

Mars

Life on Jovian Moons

The Nature and Evolution of Habitability

Extrasolar Planets: Their Nature and Potential Habitability

The Search for Extraterrestrial Intelligence

Interstellar Travel and the Fermi Paradox

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Exam 3: The Universal Context of Life

In the process of nuclear fusion,

The Big Bang predicts that after the universe was born it

Due to the vast scale of the universe, when we observe a star in the night sky, we are seeing it

A Universe of Life

The Science of Life in the Universe

The Habitability of Earth

The Nature of Life on Earth

The Origin and Evolution of Life on Earth

Searching for Life in Our Solar System

Mars

Life on Jovian Moons

The Nature and Evolution of Habitability

Extrasolar Planets: Their Nature and Potential Habitability

The Search for Extraterrestrial Intelligence

Interstellar Travel and the Fermi Paradox

Filters