Question 1

What is the Sun made up of?

Accepted Answer

A)  rock 
B)  metal 
C)  ice 
D)  hot gas 
E)  water 
A)  rock 
B)  metal 
C)  ice 
D)  hot gas 
E)  water D

Question 2

Explain how the scientific notation of 4.52 x 10  8  is the same as 452 x 10  6  .

Accepted Answer

The decimal point has already been moved over two places for 452 x 10 ⁶ , therefore 4.52 x 10 ⁸ = 452 x 10 ⁶ = 452,000,000.

Question 3

What is Earth's distance from the Sun?

Accepted Answer

A)  0.39 AU 
B)  0.72 AU 
C)  1.0 AU 
D)  1.5 AU 
E)  2.8 AU 
A)  0.39 AU 
B)  0.72 AU 
C)  1.0 AU 
D)  1.5 AU 
E)  2.8 AU C

Question 4

The Universe is too big to discuss distance without using _______________.

Accepted Answer

The answer of The Universe is too big to discuss...

Question 5

As Earth _______________ on its axis, it produces the cycle of day and night.

Accepted Answer

The answer of As Earth _______________ on its axis, it...

Question 6

The _______________contains all of the galaxies, solar systems, stars, and planets.

Accepted Answer

The answer of The _______________contains all of the galaxies, solar...

Question 7

The celestial object _______________ is just one of many small objects that orbit the Sun beyond Neptune.

Accepted Answer

The answer of The celestial object _______________ is just one...

Question 8

Match between columns
                        Premises: a small object that orbits the Sun beyond Neptune
a self-luminous ball of hot gas
planets orbiting stars beyond our own solar system
a great cloud of stars, gas, and dust held together by the combined gravity of all of its matter
spherical, rocky, or gaseous bodies that orbit a star
consists of a star with orbiting planets

Accepted Answer

The Answer of galaxy and star and planet and extrasolar is...

Question 9

Figure 1-11 (for the following questions)
In Figure 1, what is the pointer indicating?

Accepted Answer

A)  extrasolar planet 
B)  Solar System 
C)  spiral arm 
D)  dwarf planets 
E)  galaxy 
A)  extrasolar planet 
B)  Solar System 
C)  spiral arm 
D)  dwarf planets 
E)  galaxy

Question 10

Which best represents 5,362,000,000 kilometers in scientific notation?

Accepted Answer

A)  5.4 x 109 m 
B)  5 x 1010 km 
C)  53.6 x 106 km 
D)  5.362 x 109 mi 
E)  5.362 x 109 km 
A)  5.4 x 109 m 
B)  5 x 1010 km 
C)  53.6 x 106 km 
D)  5.362 x 109 mi 
E)  5.362 x 109 km

Question 11

Astronomers refer to the beginning of the Universe as the _______________.

Accepted Answer

The answer of Astronomers refer to the beginning of the...

Question 12

The scientific method is a simple, mechanical way of grinding facts into understanding.

Accepted Answer

A) True 
 B)False

Question 13

What unit of measurement is used to describe extraordinary large distances, such as the distance of other stars from our own?

Accepted Answer

A)  AU 
B)  min 
C)  ly 
D)  km 
E)  mi 
A)  AU 
B)  min 
C)  ly 
D)  km 
E)  mi

Question 14

Earth is approximately 13,000 km in diameter.

Accepted Answer

A) True 
 B)False

Question 15

Approximately how long does it take light to reach the Earth from the Sun?

Accepted Answer

A)  1 min 
B)  8 min 
C)  1 ly 
D)  8 ly 
E)  1 AU 
A)  1 min 
B)  8 min 
C)  1 ly 
D)  8 ly 
E)  1 AU

Question 16

The size of a star's image in a photo tells you how _______________ the star appears.

Accepted Answer

The answer of The size of a star's image in...

Question 17

When did life first appear on Earth?

Accepted Answer

A)  14 billion years ago 
B)  400 million years ago 
C)  4.6 billion years ago 
D)  65 million years ago 
E)  3.4 billion years ago 
A)  14 billion years ago 
B)  400 million years ago 
C)  4.6 billion years ago 
D)  65 million years ago 
E)  3.4 billion years ago

Question 18

The Big Bang is a theory describing the ____.

Accepted Answer

A)  birth of our Solar System 
B)  start of civilization on Earth 
C)  beginning of planet formation 
D)  beginning of the Universe 
E)  massive extinction of dinosaurs 
A)  birth of our Solar System 
B)  start of civilization on Earth 
C)  beginning of planet formation 
D)  beginning of the Universe 
E)  massive extinction of dinosaurs

Question 19

The formation of our _______________ occurred about 4.6 billion years ago.

Accepted Answer

The answer of The formation of our _______________ occurred about...

Question 20

Our Solar System resides in the _______________ Galaxy.

Accepted Answer

The answer of Our Solar System resides in the _______________...

Exam 1: Here and Now

What is the Sun made up of?

Explain how the scientific notation of 4.52 x 10 8 is the same as 452 x 10 6 .

What is Earth's distance from the Sun?

The Universe is too big to discuss distance without using _______________.

As Earth _______________ on its axis, it produces the cycle of day and night.

The _______________contains all of the galaxies, solar systems, stars, and planets.

The celestial object _______________ is just one of many small objects that orbit the Sun beyond Neptune.

Figure 1-11 (for the following questions) In Figure 1, what is the pointer indicating?

Which best represents 5,362,000,000 kilometers in scientific notation?

Astronomers refer to the beginning of the Universe as the _______________.

The scientific method is a simple, mechanical way of grinding facts into understanding.

What unit of measurement is used to describe extraordinary large distances, such as the distance of other stars from our own?

Earth is approximately 13,000 km in diameter.

Approximately how long does it take light to reach the Earth from the Sun?

The size of a star's image in a photo tells you how _______________ the star appears.

When did life first appear on Earth?

The Big Bang is a theory describing the ____.

The formation of our _______________ occurred about 4.6 billion years ago.

Our Solar System resides in the _______________ Galaxy.

A Users Guide to the Sky

Moon Phases and Eclipses

Origins of Modern Astronomy

Gravity

Light and Telescopes

Atoms and Spectra

The Sun

The Family of Stars

The Interstellar Medium

Formation and Structure of Stars

Stellar Evolution

Deaths of Stars

Neutron Stars and Black Holes

The Milky Way Galaxy

Galaxies

Supermassive Black Holes and Active Galaxies

Modern Cosmology

Origin of the Solar System and Extrasolar Planets

Earth the Active Planet

The Moon and Mercury

Venus and Mars

Jupiter and Saturn

Uranus Neptune Pluto and the Kuiper Belt

Meteorites Asteroids and Comets

Astrobiology

Filters

Explain how the scientific notation of 4.52 x 10 ⁸ is the same as 452 x 10 ⁶ .