Question 1

Scientists refer to a well-developed body of knowledge that has been tested many times in many different ways as a:

Accepted Answer

A)  hypothesis. 
B)  framework. 
C)  theory. 
D)  truth. 
A)  hypothesis. 
B)  framework. 
C)  theory. 
D)  truth.

Question 2

The distance between stars near the Sun is typically about 10¹⁶ meters.How many Earth-like planets (with diameters of about 1 million meters)would fit between stars separated by this distance?

Accepted Answer

The answer of The distance between stars near the Sun...

Question 3

(9.0 × 10¹²)/ (3.0 × 10⁴)= :

Accepted Answer

A)  3.0 × 108 
B)  3.0 × 109 
C)  6.0 × 103 
D)  3.0 × 1012 
A)  3.0 × 108 
B)  3.0 × 109 
C)  6.0 × 103 
D)  3.0 × 1012

Question 4

How many orders of magnitude are there between the height of a person (D=10⁰ m)and the diameter of a star (D=10⁹ m)?

Accepted Answer

A)  4 
B)  7 
C)  9 
D)  10 
A)  4 
B)  7 
C)  9 
D)  10

Question 5

Provide examples of societies that have used astronomy for survival,for creative purposes,and to explain the context of their lives.

Accepted Answer

Any number of examples would be correct,

Question 6

(8.0 × 10⁷)× (3.0 × 10²)= :

Accepted Answer

A)  2.4 × 109 
B)  2.4 × 1010 
C)  2.4 × 1011 
D)  1.1 × 1021 
A)  2.4 × 109 
B)  2.4 × 1010 
C)  2.4 × 1011 
D)  1.1 × 1021

Question 7

(4.0 × 10⁸)/ (8.0 × 10⁴)= :

Accepted Answer

A)  4.0 × 104 
B)  5.0 × 103 
C)  5.0 × 104 
D)  2.0 × 103 
A)  4.0 × 104 
B)  5.0 × 103 
C)  5.0 × 104 
D)  2.0 × 103

Question 8

Everyday materials like wood,water,and air are composed of:

Accepted Answer

A)  dark matter. 
B)  atoms. 
C)  dust. 
D)  neutrinos. 
A)  dark matter. 
B)  atoms. 
C)  dust. 
D)  neutrinos.

Question 9

At the time of this writing,the population of the United States is about three hundred twenty million,or:

Accepted Answer

A)  3.2 × 106 
B)  3.2 × 107 
C)  3.2 × 108 
D)  3.2 × 109 
A)  3.2 × 106 
B)  3.2 × 107 
C)  3.2 × 108 
D)  3.2 × 109

Question 10

[ (2.0 × 10⁴)× (7.0 × 10³)] + (5.0 × 10⁷)= :

Accepted Answer

A)  1.9 × 108 
B)  6.4 × 107 
C)  1.35 × 1010 
D)  7.0 × 1015 
A)  1.9 × 108 
B)  6.4 × 107 
C)  1.35 × 1010 
D)  7.0 × 1015

Scientists refer to a well-developed body of knowledge that has been tested many times in many different ways as a:

The distance between stars near the Sun is typically about 10¹⁶ meters.How many Earth-like planets (with diameters of about 1 million meters)would fit between stars separated by this distance?

(9.0 × 10¹²)/ (3.0 × 10⁴)= :

How many orders of magnitude are there between the height of a person (D=10⁰ m)and the diameter of a star (D=10⁹ m)?

Provide examples of societies that have used astronomy for survival,for creative purposes,and to explain the context of their lives.

(8.0 × 10⁷)× (3.0 × 10²)= :

(4.0 × 10⁸)/ (8.0 × 10⁴)= :

Everyday materials like wood,water,and air are composed of:

At the time of this writing,the population of the United States is about three hundred twenty million,or:

[ (2.0 × 10⁴)× (7.0 × 10³)] + (5.0 × 10⁷)= :

A Universe Made, a Universe Discovered

A Universe of Universal Laws

A Universe of Universal Laws

The Architecture and Birth of Planetary Systems

Home Base: Earth and Moon

Sibling Worlds: Mercury, Venus, and Mars

Gas, ice, and Stone: the Outer Planets

Life and the Search for Habitable Worlds

The Sun As a Star

Measuring the Stars: the Main Sequence and Its Meaning

Nursery of the Stars: the Interstellar Medium and Star Formation

To the Graveyard of Stars: the End Points of Stellar Evolution

Down the Rabbit Hole: Relativity and Black Holes

Our City of Stars: the Milky Way

A Universe of Galaxies

The Cosmic Web: the Large-Scale Structure of the Universe

Cosmology

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Exam 1: Getting Started: Science, astronomy, and Being Human

Scientists refer to a well-developed body of knowledge that has been tested many times in many different ways as a:

The distance between stars near the Sun is typically about 10¹⁶ meters.How many Earth-like planets (with diameters of about 1 million meters)would fit between stars separated by this distance?

(9.0 × 10¹²)/ (3.0 × 10⁴)= :

How many orders of magnitude are there between the height of a person (D=10⁰ m)and the diameter of a star (D=10⁹ m)?

Provide examples of societies that have used astronomy for survival,for creative purposes,and to explain the context of their lives.

(8.0 × 10⁷)× (3.0 × 10²)= :

(4.0 × 10⁸)/ (8.0 × 10⁴)= :

Everyday materials like wood,water,and air are composed of:

At the time of this writing,the population of the United States is about three hundred twenty million,or:

[ (2.0 × 10⁴)× (7.0 × 10³)] + (5.0 × 10⁷)= :

A Universe Made, a Universe Discovered

A Universe of Universal Laws

A Universe of Universal Laws

The Architecture and Birth of Planetary Systems

Home Base: Earth and Moon

Sibling Worlds: Mercury, Venus, and Mars

Gas, ice, and Stone: the Outer Planets

Life and the Search for Habitable Worlds

The Sun As a Star

Measuring the Stars: the Main Sequence and Its Meaning

Nursery of the Stars: the Interstellar Medium and Star Formation

To the Graveyard of Stars: the End Points of Stellar Evolution

Down the Rabbit Hole: Relativity and Black Holes

Our City of Stars: the Milky Way

A Universe of Galaxies

The Cosmic Web: the Large-Scale Structure of the Universe

Cosmology

Filters