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Worksheets

Astronomy SOL Review

Total questions: 230

Worksheet time: 3hrs 37mins

Name
Class
Date
1.

Which planet has the hottest temperature? (a)  

Choose from the below words
Mars
Venus
Mercury
Earth
2.

Which is the correct order of planets, starting with closest to the sun? (a)  

Choose from the below words
Mercury, Mars, Venus, Earth
Mercury, Venus, Mars, Earth
Mercury, Venus, Earth, Mars
Mercury, Mars, Earth, Venus
3.

Which planet has the shortest year? (a)  

Choose from the below words
Mars
Mercury
Earth
Venus
4.

A day is longer than a year on this planet (a)  

Choose from the below words
Jupiter
Mars
Venus
Earth
5.

Gravity of this object keeps planets in their orbits (a)  

Choose from the below words
moon
sun
Jupiter
6.

Two things that affect an object's gravity are mass and distance (a)  

Choose from the below words
true
false
7.

What are the first four terrestrial planets made of? (a)  

Choose from the below words
Gas
Rock
Metal
Ice
8.
What is the result of the Greenhouse Effect on the surface temperature of Venus?
a)

It has little or no effect

b)

It is the same effect as on Earth

c)

It has a slightly reduced surface temperture

d)

It has a extremely high surface temperature

9.
How old is our solar system?
a)
14 billion years
b)
4.6 billion years
c)
13.2 billion years
d)
225 million years
10.
How many terrestrial planets are there?
a)
4
b)
9
c)
1
d)
35
11.

Which terrestrial planet are we most likely to travel to if the Earth would no longer support life?

a)

Jupiter

b)

Venus

c)

Mars

d)

Mercury

12.

What is at the middle of a Heliocentric system?

a)

Mars

b)

Moon

c)

Sun

d)

Earth

13.

What is at the middle of a Geocentric system?

a)

Sun

b)

Neptune

c)

Earth

d)

The Universe

14.

Who proposed the Heliocentric system?

a)

Copernicus

b)

Ptolemy

c)

Aristotle

d)

Galileo

15.

What does the Heliocentric system look like?

a)
b)
c)
d)
16.
Ptolemy's view of the universe
a)
Galaxy
b)
Geocentric
c)
Astonomy
d)
Heliocentric
17.

What FORCE caused the cloud to flatten into a planetary disc?

a)

magnetism

b)

gravity

c)

adhesion

d)

surface tension

18.

What is it called when a star "turns on"?

a)

electromagnetism

b)

personification

c)

stellar fusion

d)

gravity

19.

Before the planets were formed, __________ appeared in the spinning disc.

a)

meteors and meteoroids

b)

planetesimals and protoplanets

c)

comets and asteroids

d)

dwarf planets and moons

20.

The theory that explains how the solar system was formed is known as: (a)  

Choose from the below words
The solar nebula theory
The big bang theory
The theory of gravity
The solar eclipse theory
21.

rotates in opposite direction of other planets (a)  

Choose from the below words
Mercury
Venus
Earth
Mars
22.

only one natural satellite

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

23.

largest dust storms

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

24.

70% of surface is covered in water

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

25.

called Red planet

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

26.

home to the tallest mountain

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

27.

This planet has the most extreme hot and cold temperatures on its surface.

a)

Venus

b)

Mercury

c)

Mars

d)

Earth

28.

The hottest planet in the Solar System

a)

Mercury

b)

Venus

c)

Jupiter

d)

Saturn

29.

This planet has no atmosphere

a)

Earth

b)

Mercury

c)

Venus

d)

Mars

30.

Olympus Mon is the largest active volcano on the entire planet

a)

Earth

b)

Mars

31.

This planet is the largest of the inner planets

a)

Jupiter

b)

Mercury

c)

Earth

d)

Mars

32.

This planet has iron oxide on its surface that gives it a unique color.

a)

Mercury

b)

Venus

c)

Mars

d)

Jupiter

33.

The four small, dense, rocky planets that orbit closest to the sun are called

a)

terrestrial planets

b)

gas giants

c)

asteroids

d)

solar system

34.

This planet is sometimes called the "Earth's twin".

a)

Mercury

b)

Venus

c)

Mars

d)

Uranus

35.

When a planet rotates backward, it is called ___.

a)

prograde rotation

b)

retrograde rotation

c)

revolution

d)

orbit

36.

Identify this planet.

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

37.

Identify this planet.

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

38.

Identify this planet.

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

39.

Identify this planet.

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

40.

What are the four Earth systems?

a)

Hemisphere

b)

Geosphere

c)

Hydrosphere

d)

Atmosphere

e)

Biosphere

41.

What shape is Earth's orbit?

a)

circle

b)

ellipse

c)

square

d)

spiral

42.

Who was the first astronomer to use a telescope for astronomy?

a)

Brahe

b)

Newton

c)

Hubble

d)

Galileo

43.

Our solar system is found on what galaxy?

a)

Andromeda Galaxy

b)

Milky Way Galaxy

c)

Comet Galaxy

d)

Eye of Sauron Galaxy

44.

The ________ ________ consists of the sun, planets, dwarf planets, moons and small objects that travel around the sun.

a)

solar system

b)

Jupiter

c)

Milky way

d)

Universe

45.

Mass is the amount of the _______ in an object.

a)

weight

b)

gravity

c)

matter

d)

force

46.

He stated inertia and gravity keep the planets in motion

a)

Galileo

b)

Newton

c)

Copernicus

d)

Kepler

47.

What is the source of heat and light in our Solar System?

a)

the North star

b)

the moon

c)

the sun

d)

Earth

48.

About how long does it take the moon to orbit the Earth?

a)

~ 29 days

b)

~15 days

c)

~1 day

d)

It doesn't.

49.

We experience seasons on Earth because

a)

The Earth is tilted at 23.5 degrees causing the sun to heat Earth with direct rays in the summer and indirect rays in the winter.

b)

We rotate around the sun once per year.

c)

We are closer to the sun during warmer months and further from the sun in colder months.

d)

The Earth is tilted at 23.5 degrees.

50.

Patterns are predictable. Patterns in our Earth, Sun and Moon system include... (select all that apply)

a)

Moon phases

b)

Sunrise and sunset

c)

Seasonal changes

d)

Meteor showers

51.

Shown here is an eclipse. Is it a solar eclipse or lunar eclipse?

(a)  

52.

Shown here is an eclipse. Is it a solar eclipse or lunar eclipse?

(a)  

53.

A solar or lunar eclipse don't occur every lunar cycle because all three celestial bodies (the Sun, Earth and Moon) have to

a)

move closer together

b)

rotate clockwise

c)

rotate counterclockwise

d)

align

54.

During which season will the North Pole receive 24 hours of darkness?

a)

Summer

b)

Fall

c)

Winter

d)

All of the above

55.

At location A, what season are people in the Northern Hemisphere experiencing?

a)

Fall

b)

Summer

c)

Spring

d)

Winter

56.

The model shown represents a _____ eclipse

a)

solar

b)

lunar

57.

The model shown represents a _____ eclipse.

a)

solar

b)

lunar

58.

The gravitational pull from the moon and sun causes

a)

moon phases

b)

eclipses

c)

tides

59.

When the northern hemisphere is tilted away from the sun, it is

a)

Winter

b)

Summer

c)

Fall

d)

Spring

60.

Which is most likely caused by the tilt of Earth on its axis as it revolves around the sun?

a)

lunar eclipse

b)

phases of the moon

c)

two high tides and two low tides each day

d)

opposite seasons in the Northern and Southern Hemispheres

61.

Different angles of the moon's lit surface as the moon revolves around Earth cause

a)

cycles.

b)

moon phases.

c)

eclipses.

d)

tides.

62.

Why are people on Earth unable to see the moon during the new moon phase?

a)

The lit side of the moon is not facing Earth.

b)

The sunlight is being reflected off the moon.

c)

The location of Earth is between the moon and the sun.

d)

The tilt of Earth is causing the moon to be blocked by the sun.

63.

During the summer solstice,

a)

the Northern Hemisphere receives most sunlight; longest day of year.

b)

the sun is directly above the equator.

c)

Northern Hemisphere receives less sunlight; shortest day of year.

d)

sunlight doesn't change.

64.

Moon phases happen every month. Which statement explains why we see the moon changing from night to night.

a)

The Earth revolves around the moon.

b)

The Sun revolves around the Earth.

c)

The moon revolves around the Earth.

d)

The moon stays in place as the sun moves.

65.
How many high tides does a place have each day?
a)
3
b)
4
c)
5
d)
2
66.

What phase is this?

a)

Waning gibbous

b)

Full

c)

Last quarter

d)

Waxing crescent

67.

What does "waning" mean?

a)

Staying the same

b)

Having one side illuminated

c)

Getting bigger and brighter

d)

Getting smaller and darker

68.

What is the Moon?

a)

A celestial body that revolves around a planet

b)

A curved path followed by a satellite as it revolves around an object

c)

The luminous star around which Earth and other planets revolve; is composed mainly of hydrogen and helium

69.

What is an Axis?

a)

An obscuring of the light from a celestial body by the passage of an object between the celestial body and the observer or between the celestial body and its source of illumination

b)

A phenomenon or process that involves multiple steps and repeats itself

c)

The imaginary line through Earth that extends from the North Pole to the South Pole and is the center of Earth’s rotation

70.

The earth's axis is tilted (a)   degrees off center.

71.

What would seasons be like if Earth's axis were straight up and down and not tilted?

a)
Seasons would be the same.
b)
Seasons would be more extreme.
c)
There would be no seasons.
72.

Which location has the greatest number of hours of daylight?

a)

A

b)

B

c)

C

d)

D

e)

E

73.

In the diagram below, the Northern hemisphere would be in what season at position A?

a)

Fall or Autumn

b)

Spring

c)

Winter

d)

Summer

74.
Which season is taking place in the Northern Hemisphere in Position 1?
a)
Winter
b)
Spring
c)
Summer
d)
Fall
75.
Why does the area around the equator stay the same temperature all year?
a)
The equator rotates slower than the poles.
b)
The equator remains the same distance from the sun.
c)
The equator always receives direct sunlight.
d)
The equator has 18 hour days.
76.

The bulge of water on the side of Earth facing the moon produces

a)

high tides

b)

low tides

c)

no tides

d)

neap tides

77.

How often do neap tides occur?

a)

twice per month

b)

once per month

c)

twice a year

d)

twice per day

78.
Name the moon phase
a)
waning crescent
b)
waxing crescent
c)
waning gibbous
d)
waxing gibbous
79.
Name the moon phase
a)
waning crescent
b)
waxing crescent
c)
waning gibbous
d)
waxing gibbous
80.
Name the moon phase
a)
First Quarter
b)
Last Quarter
c)
New Moon
d)
Full Moon
81.
Name the moon phase
a)
First Quarter
b)
Last Quarter
c)
New Moon
d)
Full Moon
82.
Name the moon phase
a)
First Quarter
b)
Last Quarter
c)
New Moon
d)
Full Moon
83.
Name the phase of the moon for letter a
a)
First Quarter
b)
Last Quarter
c)
Waxing Gibbous
d)
Waning Gibbous
84.
Name the phase of the moon for letter f
a)
Waning Gibbous
b)
Waxing Gibbous
c)
Waning Crescent
d)
Waxing Crescent
85.
What is illuminating the Moon?
a)
Nuclear Fusion
b)
Sunlight
c)
Mirrors
d)
Flood Lights
86.
What is the difference between a gibbous moon and a crescent moon?
a)
The gibbous shows more than half of the bright side of the moon.
b)
The crescent shows more than half of the bright side of the moon.
c)
The gibbous shows less than half of the bright side of the moon. 
87.
Name the moon phase
a)
Waning Crescent
b)
Waxing Crescent
c)
Waning Gibbous
d)
Waxing Gibbous
88.
The 1st Quarter moon is lit on the:
a)
Left Side
b)
Right Side
89.
Name the moon phase that would come AFTER this moon.
a)
waning crescent
b)
waxing crescent
c)
waning gibbous
d)
waxing gibbous
90.
How do most craters on the moon form?
a)
Collision with other planets
b)
Rapidly moving debris hit the surface
c)
The sun burns holes in the moon
91.

The Moon most likely formed from an impact of a Mars-size object with early Earth.

a)

True

b)

False

92.
How long is the moons complete phase?
a)
29.5 days
b)
30 days 
c)
45 days 
d)
I don't know
93.

Who was the first American to step onto the surface of the moon?

a)

Buzz Aldrin

b)

Neil Armstrong

c)

Alan Shepard

d)

Scott Kelly

94.
Which of the following is a natural satellite of the Earth?
a)
International Space Station
b)
Hubble Telescope
c)
Sun
d)
Moon
95.

What is the age of the moon?

a)

38.5 billion years old

b)

4.53 billion years old

c)

235.6 billion years old

d)

273.66 billion years old

96.

The Moons orbital plane is inclined by how many degrees with respect to the Earths orbital plane?

a)

5 degrees

b)

15 degrees

c)

25 degrees

d)

12 degrees

97.

The Moons diameter is around 3,468 km (2,155 miles) in diameter. It is:

a)

about ¼ the size of Earth

b)

about 1/10th the size of Earth

c)

about 1/5th the size of Earth

d)

about 1/3 the size of Earth

98.

When a stellar object is closest to another stellar object it is known as.....

a)

perigee

b)

apogee

99.

On the Moon, lava channels are called

a)

Rilles

b)

coronae

c)

planitia

d)

mare

100.

The moons gravity is

a)

1/6 of Earths gravity

b)

1/4 of Earths gravity

c)

1/2 of Earths gravity

d)

1/10 of Earths gravity

101.

Which side of the Moon has more craters

a)

near side

b)

far side

c)

both sides have the same amount of craters

d)

there are no craters on the moon

102.

What was the name of the vehicle that transported Armstrong and Aldrin to the moon's surface?

a)

The Tiger

b)

The Eagle

c)

The Scorpion

d)

The Raven

103.

The mission that was the first to land on the moon was called....

a)

Surveyor 1

b)

Luna 22

c)

Pioneer 2

d)

Apollo 13

e)

Apollo 11

104.

The commander of the mission was the first to make a footprint on the lunar soil. His famous quote was...

a)

"One small step for man, one leap for mankind"

b)

"That's one small step for man, one giant leap for mankind"

c)

"One small leap for man, one big leap for mankind"

d)

"That's a small step for man and a giant leap for humankind"

105.

What term below is defined as mountainous regions of the Moon?

a)

ejecta

b)

maria

c)

highland

d)

rille

106.

What term below is defined as the dark, smooth plains of the Moon?

a)

maria

b)

highland

c)

ray

d)

regolith

107.

What term below is defined as structures that resemble valleys?

a)

regolith

b)

crater

c)

ray

d)

rille

108.

What term below is defined as loose, ground up rock on the surface of the Moon?

a)

rille

b)

regolith

c)

ray

d)

maria

109.
a)
spring tide
b)
neap tide
110.
a)
neap tide
b)
spring tide
111.
a)
Spring Tide
b)
Neap Tide
112.
What is a difference between spring and neap tides?
a)
Spring tides occur when the earth and sun are IN LINE with the new or full moon. 
b)
Spring tides occur when moon in 3rd or 1st quarter phases
c)
Spring tides are LOWER than neap tides
d)
Spring tides occur in Spring and neap tides can occur in any season
113.
What happens when there is a spring tide
a)
Short Tides and semi-short tides
b)
High tides and very low tides
c)
low tides and medium tides
d)
small tidal ranges
114.
At the same time the sea is drawn to the moon, another tidal bulge takes place on other side of Earth.  True or False?
a)
True
b)
False
c)
Maybe
d)
I don't know!
115.
If tides alternate from high to low and there are two of each type of tide a day, about how many hours will generally be between each different tide?
a)
2 hours
b)
6 hours
c)
12 hours
d)
24 hours
116.

We do NOT have a lunar eclipse each month because...

a)

The tilt of the moon's orbit is at 5 degrees

b)

The moon is too small

c)

The moon's orbital distance changes

d)

All choices

117.

Which of the following correctly places these in order from LARGEST to SMALLEST?

a)

galaxy -- local group/cluster -- planet -- solar system -- universe

b)

universe -- galaxy -- solar system -- planet

c)

planet -- solar system -- galaxy -- universe

d)

universe -- galaxy -- solar system -- local group/cluster -- planet

118.

A galaxy which is either spherical (football like) or a flattened disk is a ___ galaxy.

a)

elliptical

b)

humanoid

c)

irregular

d)

spiral

119.

A galaxy which has a nucleus of bright stars and two or more arms in circular formation is called a ___ galaxy.

a)

elliptical

b)

humanoid

c)

irregular

d)

spiral

120.

A Group of stars, and or star systems, star clusters, dust and gas held together by gravity is known as:

a)

Universe

b)

Galaxy

c)

Solar System

d)

Planet

121.

Which of these correctly identifies different objects in the universe according to their size and composition?

a)

A nebula is larger than a galaxy

b)

a solar system contains many stars

c)

a galaxy contains many solar systems

d)

a galaxy is bigger than a universe

122.
What best describes the doppler effect?
a)
An apparent change in frequency of a wave due to the relative motion between a wave source and an observer
b)
When sound changes pitch
c)
When light changes color
d)
An apparent change in the amplitude of a wave due to the relative motion between a wave source and an observer.
123.
If a star is being observed from Earth and it's light has shifted towards the blue side of the electromagnetic spectrum it would be...
a)
Moving towards the Earth
b)
Moving away from the Earth
c)
This is a trick question that cannot be answered
d)
It isn't a star, it is a very large blueberry.
124.
If a star is being observed from Earth and it's light has shifted towards the red side of the electromagnetic spectrum it would be...
a)
Moving towards the Earth
b)
Moving away from the Earth
c)
This is a trick question that cannot be answered
d)
It isn't a star, it is a very large blueberry.
125.
Use the image to identify the motion of the object relative to Earth.  Compare the absorption spectra of the star to what the star would look like if it were not moving at all relative to Earth.
a)
It is not moving
b)
It is moving away from Earth (Redshift)
c)
It is moving towards Earth (Blueshift)
d)
It is moving towards Earth (Redshift)
126.
Use the image to identify the motion of the object relative to Earth.  Compare the absorption spectra of the star to what the star would look like if it were not moving at all relative to Earth.
a)
It is not moving relative to Earth
b)
It is moving away from Earth (Redshift)
c)
It is moving towards Earth (Blueshift)
d)
It is moving towards Earth (Redshift)
127.
Which discovery(ies) came from our understanding redshift/ blueshift?
a)
The universe is expanding
b)
Most galaxies are moving away from us
c)
Andromeda galaxy will collide with the Milky way in 3.75 billion years
d)
All of the above (and many more)
128.

What does the Big Bang Theory tell us

a)

About the popular television show.

b)

the entire universe was once condensed in the form of a dense mass called a singularity

c)

It explain exactly how the universe began.

129.

How does the abundance of hydrogen and helium support the Big Bang Theory.

a)

Hydrogen and helium are elements on the Periodic Table

b)

Hydrogen and helium are in the same ratio throughout the universe.

c)

Hydrogen and helium have many current uses today

130.
Our theory of the universe was confirmed by the discovery of:
a)
fusion.
b)
cosmic microwave background radiation.
c)
the Andromeda galaxy.
d)
the Doppler effect.
131.

How far is it across the Milky Way Galaxy?

a)

100 light years across

b)

1,000 light years across

c)

10,000 light years across

d)

100,000 light years across

132.

The vast spherical cloud of oldest stars surrounding the Milky Way is called ___

a)

the crown of light

b)

the aurora

c)

the corona

d)

the halo

133.

According to the standard model of Big Bang cosmology, approximately how old is the Universe?

a)

65 million years old

b)

3.8 billion years old

c)

13.7 billion years old

d)

4.5 billion years old

134.

What unit of measurement is used to calculate distance in our universe?

a)

astronomical units

b)

kilometers

c)

light years

d)

parsecs

135.

What is the time taken for the light to travel between the Sun and Earth?

a)

4 minutes

b)

8 minutes

c)

12 minutes

d)

2 minutes

136.

Proxima Centauri is ______ light years away.

a)

6.8

b)

2.5

c)

4.3

d)

5.4

137.

Most of the universe is made of

a)

visible matter

b)

Invisible matter

c)

dark energy

d)

dark energy and dark matter

138.

Galaxies are classified and named according to their

a)

shape

b)

wavelength

c)

distance from Earth

d)

cosmic background radiation

139.

Dark matter is a theoretical substance. What does this mean?

a)

Scientists have simply guessed that it exists

b)

There is evidence for its existence, but it hasn't been proven

c)

Scientists are certain that it exists

d)

Scientists are split 50/50 over whether it exists or not

140.

A circle of light shown around or above the Milky Way:

a)

Halo

b)

Galaxy

c)

Bulge

141.

Figuring out what the Milky Way looks like is difficult because

a)

we live outside of it.

b)

it is impossible to send a space probe that far.

c)

we live inside of it.

d)

it is full of dark matter.

142.

Reflecting telescopes use _______ to focus light.

a)

Lenses

b)

Flat mirrors

c)

Curved Mirrors

d)

A lens and lasers

143.

A refracting telescope uses _______ to focus light.

a)

Lenses

b)

Mirrors

c)

Lasers

d)

Water

144.

Which of these can solve the issue of atmospheric blurring?

a)

polishing the lens

b)

only using the telescope when it's a clear night

c)

putting the telescope in space

d)

putting the telescope underground

145.

Which of these light types cannot be captured by a telescope?

a)

Radio waves

b)

Microwaves

c)

Ultraviolet

d)

All of them can be captured

146.
The electromagnetic spectrum consists of
a)
all of the colors of light you can see with your eyes.
b)
all of the different types of electromagnetic waves.
c)
a band of colors formed when white light passes through a prism.
d)
the distance between the crest of one wave and the crest of the next wave.
147.
What force draws matter together into a dense central core?
a)
Magnetism
b)
Gravity
c)
Inertia
d)
Fusion
148.
The Solar Nebula Hypothesis explains
a)
Mixed orbit direction of planets
b)
How our sun and planets formed
c)
How the universe formed
d)
How the Milky Way formed
149.
The belt between Mars and Jupiter
a)
Comets
b)
Asteroids
c)
Meteors
d)
Stars
150.
They are sometimes called shooting stars
a)
interplanetary dust
b)
asteroids
c)
comets
d)
meteors
151.
Select the pair of bodies which are LEAST alike in composition and size
a)
asteroid and meteor
b)
moon and comet
c)
earth and venus
d)
uranus and neptune
152.

A meteor is DIFFERENT from a comet mainly because

a)

has a tail of ice and gas

b)

is found in orbit between Jupiter and Mars

c)

enters the Earth's atmoshere

d)

has a nucleus mad of rock and snow.

153.
Which of the following bodies are MOST alike in composition and size?
a)

Earth and Venus

b)

Uranus and Saturn

c)

asteroid and comet

d)

meteor and asteroid

154.
Sometimes I am called a "dirty snowball". I have a hydrogen cloud, coma, and a nucleus. I am invisible except when near the sun. What am I?
a)
Asteroid
b)
Star
c)
Meteor
d)
Comet
155.
The tail of a comet usually faces
a)
toward the sun
b)
toward the Earth
c)
away from the Sun
d)
away from the Earth
156.
We are composed mainly of rock and metal.
a)
comets and stars
b)
stars and meteors
c)
asteroid and meteors
d)
comets and asteroid
157.

The fuzzy halo around a comet's nucleus is called the

a)

coma

b)

cloud

c)

tail

d)

magnitude

158.

The frozen center of a comet is called the

a)

coma

b)

tail

c)

nucleus

d)

snowball

159.
The puffy disk of objects that is aligned with plane of the solar system that lies just outside of Neptune's orbit is called the ______.
a)
Kuiper Belt
b)
Oort Cloud
c)
Scattered Disk
d)
Plutinos
160.
The spherical group of objects that surrounds everything in the solar system is called the ______.
a)
Kuiper Belt
b)
Oort Cloud
c)
Scattered Disk
d)
Plutinos
161.
The inner planets are also called...
a)
terrestrial planets
b)
gas giants
162.
The motion of a body orbiting another body in space is called _____.
a)
revolution 
b)
period of revolution
c)
rotation
d)
period of rotation
163.
What are the Inner Planets?
a)
Mercury, Mars, Earth, and Venus
b)
Earth, the Moon, Mars
c)
Neptune, Pluto, Earth
d)
:)
164.
The greater mass a planet has, 
a)
the greater the gravitational force it has
b)
the less gravitational force it has
c)
gravitational force does not depend on mass
165.
The order of the planets is:
a)
Mars,Venus,Earth,
Mercury,Saturn
Jupiter, Uranus, Neptune
b)
Earth,Venus,Mars
Jupiter, Neptune,
Mercury,Saturn,
Uranus
c)
Mercury,Venus,Earth
Mars,Jupiter,
Saturn,Uranus
Neptune
d)
Mercury, Earth, Venus, Mars, Saturn, Jupiter, Neptune, Uranus
166.
The spinning of an object on its axis is called______
a)
orbit
b)
rotation
c)
revolution
d)
tide
167.
The distance between the planets is all the same. 
a)
True
b)
False
168.
Which planet is the largest?
a)
Jupiter
b)
Saturn
c)
Uranus
d)
Neptune
169.
The largest known volcano in the solar system, Olympus Mons, is located on this planet.
a)
Venus
b)
Mars
c)
Mercury
d)
Earth
170.
Almost Earth’s twin in size and mass, this planet has very thick atmosphere.
a)
Venus
b)
Mars
c)
Mercury
d)
Neptune
171.
This is the only planet in the solar system with oceans of liquid water.
a)
Mercury
b)
Mars
c)
Venus
d)
Earth
172.
The surface of this planet appears red due to rusting iron in the rocks.
a)
Mercury
b)
Mars
c)
Pluto
d)
Venus
173.
Most likely due to a massive collision, this planet rotates from top to bottom.
a)
Saturn
b)
Venus
c)
Neptune
d)
Uranus
174.
Its largest moon is Titan.
a)
Saturn
b)
Jupiter
c)
Neptune
d)
Uranus
175.

The gas giants are also called:

a)

Terrestrial planets

b)

Jovian planets

176.

The four outer planets are:

a)

Mercury Venus Earth Mars

b)

Jupiter Saturn Uranus Neptune

177.

closest point in an orbit

a)

perihelion

b)

gravity

c)

aphelion

d)

inertia

178.

farthest point in an orbit

a)

aphelion

b)

perihelion

c)

gravity

d)

inertia

179.

stays in motion unless acted upon

a)

inertia

b)

gravity

c)

perihelion

d)

centripetal

180.
What is in the center of the Heliocentric Model?
a)
Sun
b)
Comet 
c)
Jupiter
d)
Earth
181.
  What does "geo-" mean?
a)
Earth
b)
sun
c)
Center
182.

This person discovered moons on Jupiter using a telescope, which helped to support the heliocentric theory 

a)

Aristotle

b)

Copernicus

c)

Ptolemy

d)

Galileo

183.
This person developed the heliocentric theory and was considered the founder of modern astronomy.
a)
Aristotle
b)
Copernicus
c)
Ptolemy
d)
Galileo
184.
This person was the first to use a telescope to make observations in the sky -
a)
Aristotle
b)
Ptolemy
c)
Copernicus
d)
Galileo
185.
Which astronomer created laws of gravity and motion? 
a)
Kepler
b)
Copernicus
c)
Brahe 
d)
Newton
186.
What two forces help planets stay in their orbits? 
a)
Gravity and Force
b)
Gravity and Inertia
c)
Doppler effect and Gravity
d)
Inertia and Force 
187.
This astronomer discovered that the orbit of each planet is an ellipse, or an oval shape, and not perfectly circular.
a)
Aristotole
b)
Copernicus
c)
Kepler
d)
Newton
188.
What shape is an ellipse?  
a)
An oval shape
b)
A round shape
c)
A circle shape 
d)
Sun, moon and Earth lined up shape
189.

Gravity causes light gases to move to the center while heavier materials and ice stay in outer areas. Then what?

a)

The center of the nebula begins to get hot and dense.

b)

A protostar forms in the center of the nebula.

c)

The nebula begins to spin and flatten.

190.

A protostar forms in the center of the nebula. Then what?

a)

Shock waves hit the nebula causing it to collapse.

b)

The center of the nebula begins to get hot and dense.

c)

The SUN is born, fusion begins in the core.

191.

The SUN is born, fusion begins in the core. Then what?

a)

Planetesimals (small rock or icy bodies) begin to form. Rocky pieces in the outer rings and icy pieces in the inner rings.

b)

A protostar forms in the center of the nebula.

c)

About 4.5 billion years ago pieces of rock and ice accumulate more material until they grow into planets and moons.

192.

Planetesimals (small rock or icy bodies) begin to form. Rocky pieces in the outer rings and icy pieces in the inner rings. Then what?

a)

About 4.6 billion years ago, a cloud of stellar dust or nebula exists within the Milky Way.

b)

About 4.5 billion years ago pieces of rock and ice accumulate more material until they grow into planets and moons.

c)

The SUN is born, fusion begins in the core.

193.
The theory that explains the formation of the solar system is called ____.
a)
Nebulis Theory
b)
Nebular Theory
c)
Big Bang Theory
d)
Big Nebulan Theory
194.
A nebula is:
a)
A cloud of ice
b)
A cloud of dust and gas
c)
A cloud of just gas
d)
A cloud of just dust
195.

What is the age of the Earth?

a)

4.6 million years

b)

46 years

c)

4.6 billion years

d)

13 billion years

196.

How old is the solar system?

a)

4.6 million years

b)

46 years

c)

4.6 billion years

d)

13 billion years

197.

How do we know how old the earth/solar system are?

a)

Evidence found in rocks and meteorites

b)

Evidence found in the middle of the sun

c)

There is no evidence

d)

Evidence found in fossils

198.

The Milky Way is _________________ than the solar system.

a)

larger

b)

smaller

c)

farther away

d)

moving faster

199.
The planetesimals keep:
a)
Colliding and breaking apart
b)
Colliding and sticking together
c)
Colliding and bouncing around
d)
Breaking down into smaller pieces
200.

Our solar system sits inside the...

a)

Andromeda Galaxy

b)

Milky Way Galaxy

c)

MR-1043B Galaxy

d)

Hamburger Galaxy

201.

Solar nebula theory describes...

a)

how nebulas form

b)

how black holes form and the stars inside them

c)

how galaxies form

d)

how stars form and the planets that orbit them

202.

Its the gas and dust swirling around a young protostar that will eventually form small

a)

nuetrinos

b)

atoms

c)

protons

d)

planetesimals

203.

Planetesimals will grow larger and larger, becoming massive enough to attract more gas and dust making them into planets

a)

TRUE

b)

FALSE

204.

Solar nebula theory and the life cycle of a star predicts that the suns outer layer will

a)

eventually swell and vaporize the earth

b)

stay exactly the same forever

c)

rotate faster

d)

turn into a black hole

205.
Day and night is caused by the _____________ of earth on its axis.
a)
revolution
b)
orbit
c)
rotation
206.
What are the reasons for the seasons?
a)
Earth's tilt and rotation.
b)
Earth's rotation and revolution.
c)
Earth's tilt and revolution.
d)
Earth's tilt and resolution
207.
How many outer planets are there?
a)
4
b)
8
c)
9
d)
20
208.
Which is hotter: Venus or Mercury?
a)
Venus
b)
Mercury
c)
They are exactly the same.
d)
Sun
209.
Which planet still has a great spot?
a)
Jupiter
b)
Neptune
c)
Mars
d)
The Moon
210.

Which is the coldest planet ?

(a)  

211.
The solar system consists of the sun, smaller objects, and ...
a)
8 planets and their moons
b)
6 planets 
c)
only moons
d)
more than 100 stars
212.
They are small and have rocky bodies. 
a)
this describes the inner planets 
b)
this describes the outer planets 
213.
Saturn is known for it's _______. 
a)
rings
b)
atmopshere
c)
moons
d)
temperature 
214.
Saturn's rings are made of chunks of 
a)
volcanoes
b)
ice and rock
c)
nitrogen and helium 
d)
ice and 
215.
Uranus is different that other planets because it rotates on it's side. 
a)
True
b)
False
216.
Meteoroids come from comets or asteroids. 
a)
True
b)
False
217.
Hydrogen and Helium make up the _______.
a)
Inner Planets 
b)
Gas gaints
c)
Middle Planets 
d)
Terrestrial Planets 
218.
Pluto, among others, is known as a ____.
a)
dwarf planet 
b)
planet
219.
We cannot breathe on Mars and Venus bc it's atmosphere is made of mostly...
a)
CO2
b)
O2
220.

If you wanted to find an asteroid with a telescope, where would be the best place to look?

a)

Between Mars and Jupiter

b)

Between Earth and Venus

c)

Between Jupiter and Saturn

d)

Between Mercury and Venus

221.

What do asteroids have in common with Earth?

a)

They have oxygen-rich atmosphere

b)

They rotate around a central axis

c)

Many of them contain liquid water

d)

They're made mostly of magnesium

222.

How old are asteroids compared to the rest of the solar system?

a)

They're much older than the rest of the solar system

b)

They're older than the sun, by younger than the planets

c)

They're about the same age as the rest of the solar system

d)

They're much younger than the rest of the solar system

223.

Why do asteroids burn up as they enter Earth's atmosphere?

a)

The oxygen trapped inside them ignites in the presence of nitrogen

b)

Because they are covered in an extremely flammable material

c)

Heat is created by friction between the asteroid and the atmosphere

d)

The sun's UV rays ignite them when they pass through the ozone layer

224.

What is the difference between a meteor and a meteorite?

a)

Meteors burn up in the earth's atmosphere; meteorites strike the earth.

b)

Meteors are found throughout the solar system; meteorites are found only in the asteroids belt.

c)

Meteors are similar to comets; meteorites are similar to dwarf planets.

d)

Meteors are much larger than meteorites.

225.

How is Ceres different from all the other asteroids in the solar system?

a)

It has a satellite revolving around it

b)

It rotates on its axis

c)

It revolves around the sun

d)

It's much larger than all other asteroids

226.
Which celestial feature is largest in actual size?
a)
the moon
b)
the Sun
c)
Jupiter
d)
the Milky Way
227.
Compared to Neptune, Mercury moves more rapidly in its orbit because Mercury
a)
is larger
b)
is more dense
c)
is closer to the sun
d)
has a more elliptical orbit
228.

What is a comet?

a)

Large rocky ball of ice that orbits the sun

b)

Cluster of billions of stars

c)

Lumps of rock or iron that orbit the sun

d)

Minor planets

229.

Which planet is known as earth's twin?

a)

Neptune

b)

Super-Earth

c)

Venus

d)

Mars

230.

What are Exoplanets?

a)

Any planet beyond our solar system

b)

Other planets in our Solar System except for Earth

c)

Inhabitable planets

d)

Planets bigger than Earth

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