Question 1

What is the Local Group?

Accepted Answer

The group of a dozen or so gal

Question 2

Why does a theory that continues to be supported by the results of experimental tests need further tests?

Accepted Answer

There may be observational tes

Question 3

Measuring distances in the amount of time it takes light to travel,if the circumference of Earth is a snap of your fingers,the diameter of the Solar System is approximately equal to:

Accepted Answer

A)  the length of a quick lunch. 
B)  the time to turn a page in a book. 
C)  the time between sunrise and sunset. 
D)  the time you spent in high school. 
A)  the length of a quick lunch. 
B)  the time to turn a page in a book. 
C)  the time between sunrise and sunset. 
D)  the time you spent in high school.

Question 4

Which of the following is FALSE?

Accepted Answer

A)  A scientific theory is an undisputed fact. 
B)  If continual testing of a hypothesis shows it to be valid, it may become an accepted theory. 
C)  A hypothesis must always have one or more testable predictions. 
D)  A scientific theory may eventually be proved wrong when scientists acquire new data. 
A)  A scientific theory is an undisputed fact. 
B)  If continual testing of a hypothesis shows it to be valid, it may become an accepted theory. 
C)  A hypothesis must always have one or more testable predictions. 
D)  A scientific theory may eventually be proved wrong when scientists acquire new data.

Question 5

If an event were to take place on the Sun,how long would it take for the light to reach us?

Accepted Answer

A)  8 minutes 
B)  11 hours 
C)  1 second 
D)  1 day 
A)  8 minutes 
B)  11 hours 
C)  1 second 
D)  1 day

Question 6

Scientific notation allows us to:

Accepted Answer

A)  write very large and very small numbers in a convenient way. 
B)  talk about science in an easy way. 
C)  change easy calculations into hard calculations. 
D)  explain science to engineers. 
A)  write very large and very small numbers in a convenient way. 
B)  talk about science in an easy way. 
C)  change easy calculations into hard calculations. 
D)  explain science to engineers.

Question 7

How many nanometers are in a millimeter?

Accepted Answer

A)  100 
B)  1,000 
C)  1,000,000 
D)  1,000,000,000 
A)  100 
B)  1,000 
C)  1,000,000 
D)  1,000,000,000

Question 8

In pre-Renaissance times,it was believed that celestial objects were made of a different substance than Earth and obeyed different rules.Which modern scientific principle is a better description of the universe?

Accepted Answer

The cosmol

Question 9

We are located approximately:

Accepted Answer

A)  at the center of the Milky Way. 
B)  near the center of the Milky Way. 
C)  halfway out from the center of the Milky Way. 
D)  at the farthest outskirts of the Milky Way. 
A)  at the center of the Milky Way. 
B)  near the center of the Milky Way. 
C)  halfway out from the center of the Milky Way. 
D)  at the farthest outskirts of the Milky Way.

Question 10

A ________ becomes a ________ when repeated testing of its predictions does not disprove it.

Accepted Answer

A)  hypothesis; scientific method 
B)  theory; scientific revolution 
C)  phenomenon; theory 
D)  hypothesis; theory 
A)  hypothesis; scientific method 
B)  theory; scientific revolution 
C)  phenomenon; theory 
D)  hypothesis; theory

Question 11

If the elements that make up Earth and our bodies were not present in the early universe,where did they come from?

Accepted Answer

They were

Question 12

Approximately how many feet are in 4 meters?

Accepted Answer

A)  1.3 
B)  4 
C)  8 
D)  12 
A)  1.3 
B)  4 
C)  8 
D)  12

Question 13

Describe the two main aspects of the cosmological principle.

Accepted Answer

(1)What we see around us is re

Question 14

The figure below shows images representing our place in the universe.Label each box with its appropriate location.

Accepted Answer

Top to bottom: Earth

Question 15

The most massive elements (such as those of the rocky planets like Earth)were formed

Accepted Answer

A)  in the early universe. 
B)  inside stars and supernovae. 
C)  through meteor collisions. 
D)  in the core of Earth. 
A)  in the early universe. 
B)  inside stars and supernovae. 
C)  through meteor collisions. 
D)  in the core of Earth.

Question 16

Which of the following is FALSE?

Accepted Answer

A)  The Local Group is a member of the Virgo Supercluster, which contains thousands of galaxies. 
B)  The Local Group contains two large spiral galaxies and a few dozen dwarf galaxies. 
C)  Our Solar System has eight planets. 
D)  The Milky Way Galaxy contains approximately 100 million stars. 
A)  The Local Group is a member of the Virgo Supercluster, which contains thousands of galaxies. 
B)  The Local Group contains two large spiral galaxies and a few dozen dwarf galaxies. 
C)  Our Solar System has eight planets. 
D)  The Milky Way Galaxy contains approximately 100 million stars.

Question 17

Describe the main steps involved in the scientific method.

Accepted Answer

First you make a hypothesis; then you ma

Question 18

The distance to the nearest,large,spiral galaxy,Andromeda,is 2.5 million light-years.How long does it take light to travel from us to Andromeda?

Accepted Answer

A)  360 years 
B)  1.2 thousand years 
C)  4.5 billion years 
D)  2.5 million years 
A)  360 years 
B)  1.2 thousand years 
C)  4.5 billion years 
D)  2.5 million years

Question 19

Suppose you were writing to a pen pal across the universe.What address would you put on the envelope that included all the major structures in which we reside? (Hint: Your cosmic address should begin with "Earth" and end with "the universe.")

Accepted Answer

The address would be: "Earth,t

Question 20

A hypothesis may become a theory:

Accepted Answer

A)  after many repeated attempts to falsify it fail. 
B)  if a majority of scientists agree on its propositions. 
C)  after it has been logically proved. 
D)  if it makes at least one verifiable prediction. 
A)  after many repeated attempts to falsify it fail. 
B)  if a majority of scientists agree on its propositions. 
C)  after it has been logically proved. 
D)  if it makes at least one verifiable prediction.

What is the Local Group?

Why does a theory that continues to be supported by the results of experimental tests need further tests?

Measuring distances in the amount of time it takes light to travel,if the circumference of Earth is a snap of your fingers,the diameter of the Solar System is approximately equal to:

Which of the following is FALSE?

If an event were to take place on the Sun,how long would it take for the light to reach us?

Scientific notation allows us to:

How many nanometers are in a millimeter?

In pre-Renaissance times,it was believed that celestial objects were made of a different substance than Earth and obeyed different rules.Which modern scientific principle is a better description of the universe?

We are located approximately:

A becomes a when repeated testing of its predictions does not disprove it.

If the elements that make up Earth and our bodies were not present in the early universe,where did they come from?

Approximately how many feet are in 4 meters?

Describe the two main aspects of the cosmological principle.

The figure below shows images representing our place in the universe.Label each box with its appropriate location.

The most massive elements (such as those of the rocky planets like Earth)were formed

Which of the following is FALSE?

Describe the main steps involved in the scientific method.

The distance to the nearest,large,spiral galaxy,Andromeda,is 2.5 million light-years.How long does it take light to travel from us to Andromeda?

Suppose you were writing to a pen pal across the universe.What address would you put on the envelope that included all the major structures in which we reside? (Hint: Your cosmic address should begin with "Earth" and end with "the universe.")

A hypothesis may become a theory:

Patterns in the Skymotions of Earth and the Moon

Laws of Motion

Light and Telescopes

The Formation of Stars and Planets

Terrestrial Worlds in the Inner Solar System

Atmospheres of Venus, earth, and Mars

The Giant Planets

Small Bodies of the Solar System

Measuring the Stars

Our Star: the Sun

Evolution of Low-Mass Stars

Evolution of High-Mass Stars

Measuring Galaxies

Our Galaxy: the Milky Way

The Evolution of the Universe

Formation of Structure

Life in the Universe

Filters

Exam 1: Thinking Like an Astronomer

What is the Local Group?

Why does a theory that continues to be supported by the results of experimental tests need further tests?

Measuring distances in the amount of time it takes light to travel,if the circumference of Earth is a snap of your fingers,the diameter of the Solar System is approximately equal to:

Which of the following is FALSE?

If an event were to take place on the Sun,how long would it take for the light to reach us?

Scientific notation allows us to:

How many nanometers are in a millimeter?

In pre-Renaissance times,it was believed that celestial objects were made of a different substance than Earth and obeyed different rules.Which modern scientific principle is a better description of the universe?

We are located approximately:

A ________ becomes a ________ when repeated testing of its predictions does not disprove it.

If the elements that make up Earth and our bodies were not present in the early universe,where did they come from?

Approximately how many feet are in 4 meters?

Describe the two main aspects of the cosmological principle.

The figure below shows images representing our place in the universe.Label each box with its appropriate location.

The most massive elements (such as those of the rocky planets like Earth)were formed

Which of the following is FALSE?

Describe the main steps involved in the scientific method.

The distance to the nearest,large,spiral galaxy,Andromeda,is 2.5 million light-years.How long does it take light to travel from us to Andromeda?

Suppose you were writing to a pen pal across the universe.What address would you put on the envelope that included all the major structures in which we reside? (Hint: Your cosmic address should begin with "Earth" and end with "the universe.")

A hypothesis may become a theory:

Patterns in the Skymotions of Earth and the Moon

Laws of Motion

Light and Telescopes

The Formation of Stars and Planets

Terrestrial Worlds in the Inner Solar System

Atmospheres of Venus, earth, and Mars

The Giant Planets

Small Bodies of the Solar System

Measuring the Stars

Our Star: the Sun

Evolution of Low-Mass Stars

Evolution of High-Mass Stars

Measuring Galaxies

Our Galaxy: the Milky Way

The Evolution of the Universe

Formation of Structure

Life in the Universe

Filters

A becomes a when repeated testing of its predictions does not disprove it.