Question 1

The quantity that undergoes a red shift is

Accepted Answer

A) wave frequency. 
B) wavelength. 
C) both of these 
D) neither of these 
A) wave frequency. 
B) wavelength. 
C) both of these 
D) neither of these

Question 2

If heat death results in a maximum amount of entropy,then what does this say about entropy at the beginning of the universe?

Accepted Answer

A) Entropy at the beginning of the universe must also have been at a maximum. 
B) There was a change in the direction of entropy flow about 7 billion years ago. 
C) The Big Bang was a moment of minimal entropy. 
D) Nothing. 
A) Entropy at the beginning of the universe must also have been at a maximum. 
B) There was a change in the direction of entropy flow about 7 billion years ago. 
C) The Big Bang was a moment of minimal entropy. 
D) Nothing.

Question 3

How did Mr.Hubble calculate the age of the universe?

Accepted Answer

A) by measuring the rate of expansion of the universe 
B) by looking at the age of the oldest stars 
C) by measuring the redshift of stars within 360 degrees of the center of our galaxy 
D) by measuring the rate of radioactive decay within the farthest galaxies 
A) by measuring the rate of expansion of the universe 
B) by looking at the age of the oldest stars 
C) by measuring the redshift of stars within 360 degrees of the center of our galaxy 
D) by measuring the rate of radioactive decay within the farthest galaxies

Question 4

Astronomers who subscribe to the Big Bang theory believe the Big Bang occurred

Accepted Answer

A) about 14 billion years ago. 
B) at the beginning of time. 
C) both of these 
D) neither of these 
A) about 14 billion years ago. 
B) at the beginning of time. 
C) both of these 
D) neither of these

Question 5

Fire a cannonball from a cannon and it curves due to gravity.Shine a light from a flashlight and it

Accepted Answer

A) curves per second the same as the cannonball. 
B) follows a straight-line path with no curvature at all. 
C) curves half as much as the cannonball. 
D) curves slightly,but not as much per second as the cannonball. 
A) curves per second the same as the cannonball. 
B) follows a straight-line path with no curvature at all. 
C) curves half as much as the cannonball. 
D) curves slightly,but not as much per second as the cannonball.

Question 6

In a flat universe parallel lines

Accepted Answer

A) never converge. 
B) are concentric to each other. 
C) are mirror images. 
D) eventually meet. 
A) never converge. 
B) are concentric to each other. 
C) are mirror images. 
D) eventually meet.

Question 7

Dark energy

Accepted Answer

A) is the phenomenon responsible for the acceleration of the universe. 
B) would be considered to be the opposite of gravity. 
C) is energy that exerts an outward pressure,causing spacetime to expand. 
D) All of the above 
A) is the phenomenon responsible for the acceleration of the universe. 
B) would be considered to be the opposite of gravity. 
C) is energy that exerts an outward pressure,causing spacetime to expand. 
D) All of the above

Question 8

A four dimensional image of a coffee table is depicted in a

Accepted Answer

A) tesseract. 
B) video. 
C) photograph. 
D) hologram. 
A) tesseract. 
B) video. 
C) photograph. 
D) hologram.

Question 9

"Local observations made in an accelerated frame of reference cannot be distinguished from observations made in a gravitational field" is known as the principle of

Accepted Answer

A) equivalence. 
B) equality. 
C) equanimity. 
D) interchangeability. 
A) equivalence. 
B) equality. 
C) equanimity. 
D) interchangeability.

Question 10

According to Alan Guth,magnetic monopoles are not observed in our universe because

Accepted Answer

A) they are theoretically impossible. 
B) space expanded so much that they are exceedingly rare. 
C) of the presence of electromagnetic radiation. 
D) they easily collapse under the force of gravity. 
A) they are theoretically impossible. 
B) space expanded so much that they are exceedingly rare. 
C) of the presence of electromagnetic radiation. 
D) they easily collapse under the force of gravity.

Question 11

According to special relativity,two events that occur simultaneously in one frame of reference

Accepted Answer

A) are also simultaneous in all frames of reference. 
B) can be non-simultaneous in another frame of reference. 
C) is evidence for the constant speed of light. 
D) are in reality non-simultaneous. 
A) are also simultaneous in all frames of reference. 
B) can be non-simultaneous in another frame of reference. 
C) is evidence for the constant speed of light. 
D) are in reality non-simultaneous.

Question 12

Distant galaxies are

Accepted Answer

A) growing closer to each other as they encounter the curvature of the universe. 
B) accelerating away from each other. 
C) slowing in their dispersal due to the effects of gravity. 
D) connected to each other by dark energy. 
A) growing closer to each other as they encounter the curvature of the universe. 
B) accelerating away from each other. 
C) slowing in their dispersal due to the effects of gravity. 
D) connected to each other by dark energy.

Question 13

The universe as a whole is

Accepted Answer

A) curved. 
B) flat. 
C) the shape of a saddle. 
D) has yet to be determined,although most astrophysical data points to a flat universe. 
A) curved. 
B) flat. 
C) the shape of a saddle. 
D) has yet to be determined,although most astrophysical data points to a flat universe.

Question 14

According to Einstein,gravity is not the force exerted by one object on another,but rather the

Accepted Answer

A) effect we witness when a large mass causes a curvature in the shape of spacetime. 
B) force of attraction that exists between two objects. 
C) effects of the graviton particle. 
D) curvature of space caused by objects reaching the speed of light. 
A) effect we witness when a large mass causes a curvature in the shape of spacetime. 
B) force of attraction that exists between two objects. 
C) effects of the graviton particle. 
D) curvature of space caused by objects reaching the speed of light.

Question 15

Light is without mass,so how can gravity have an effect on light?

Accepted Answer

A) The space through which the light passes is curved. 
B) Photons actually have a very small mass,so gravity does have an effect on them. 
C) When light interacts with particles,it loses some energy,and thus takes on some mass. 
D) Gravity has no effect on light. 
A) The space through which the light passes is curved. 
B) Photons actually have a very small mass,so gravity does have an effect on them. 
C) When light interacts with particles,it loses some energy,and thus takes on some mass. 
D) Gravity has no effect on light.

Question 16

If dark matter were to be found on this planet it would likely be

Accepted Answer

A) high in our atmosphere. 
B) within our oceans. 
C) within Earth's mantle. 
D) at the center of Earth's core. 
A) high in our atmosphere. 
B) within our oceans. 
C) within Earth's mantle. 
D) at the center of Earth's core.

Question 17

Where is dark matter found in the periodic table?

Accepted Answer

A) within the noble gas elements 
B) the transition metals 
C) all radioactive elements 
D) no where at all 
A) within the noble gas elements 
B) the transition metals 
C) all radioactive elements 
D) no where at all

Question 18

According to inflation theory,parallel lines appear to remain parallel because

Accepted Answer

A) the universe is so unbelievably large. 
B) mass has the effect of balancing the natural curvature of space-time. 
C) space is inherently flat. 
D) the universe is so very old. 
A) the universe is so unbelievably large. 
B) mass has the effect of balancing the natural curvature of space-time. 
C) space is inherently flat. 
D) the universe is so very old.

Question 19

The "redshift" of a galaxy refers to the rate

Accepted Answer

A) at which is receding. 
B) at which it is approaching. 
C) at which it is spinning. 
D) of its fusion. 
A) at which is receding. 
B) at which it is approaching. 
C) at which it is spinning. 
D) of its fusion.

Question 20

"Cosmological Redshift" refers to

Accepted Answer

A) the expansion of space itself. 
B) the expansion of galaxies. 
C) the expansion of red giants. 
D) the tendency of light to expand when free of gravitational influences. 
A) the expansion of space itself. 
B) the expansion of galaxies. 
C) the expansion of red giants. 
D) the tendency of light to expand when free of gravitational influences.

Exam 28: The Structure of Space and Time

The quantity that undergoes a red shift is

If heat death results in a maximum amount of entropy,then what does this say about entropy at the beginning of the universe?

How did Mr.Hubble calculate the age of the universe?

Astronomers who subscribe to the Big Bang theory believe the Big Bang occurred

Fire a cannonball from a cannon and it curves due to gravity.Shine a light from a flashlight and it

In a flat universe parallel lines

Dark energy

A four dimensional image of a coffee table is depicted in a

"Local observations made in an accelerated frame of reference cannot be distinguished from observations made in a gravitational field" is known as the principle of

According to Alan Guth,magnetic monopoles are not observed in our universe because

According to special relativity,two events that occur simultaneously in one frame of reference

Distant galaxies are

The universe as a whole is

According to Einstein,gravity is not the force exerted by one object on another,but rather the

Light is without mass,so how can gravity have an effect on light?

If dark matter were to be found on this planet it would likely be

Where is dark matter found in the periodic table?

According to inflation theory,parallel lines appear to remain parallel because

The "redshift" of a galaxy refers to the rate

"Cosmological Redshift" refers to

Patterns of Motion and Equilibrium

Newtons Laws of Motion

Momentum and Energy

Gravity, Projectiles, and Satellites

Fluid Mechanics

Thermal Energy and Thermodynamics

Heat Transfer and Change of Phase

Static and Current Electricity

Magnetism and Electromagnetic Induction

Waves and Sound

Light

Atoms and the Periodic Table

The Atomic Nucleus and Radioactivity

Elements of Chemistry

How Atoms Bond and Molecules Attract

Mixtures

How Chemicals React

Two Classes of Chemical Reactions

Organic Compounds

Rocks and Minerals

Plate Tectonics and Earths Interior

Shaping Earths Surface

Geologic Time - Reading the Rock Record

The Oceans, Atmosphere, and Climatic Effects

Driving Forces of Weather

The Solar System

Stars and Galaxies

Prologue: The Nature of Science

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