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SOLAR SYSTEM

Total questions: 151

Worksheet time: 2hrs 35mins

Name
Class
Date
1.
All of the outer planets--
a)
have many moons
b)
are small
c)
have a short orbit around the Sun
d)
are rocky
2.
Which planet is the hottest?
a)
Earth
b)
Neptune
c)
Mercury
d)
Venus
3.
What do we call Jupiter, Saturn, Uranus and Neptune?
a)
Outer Planets
b)
Terrestrial Planets
c)
Inner Planets
d)
Oort Cloud
4.
What is the only planet known to contain life?
a)
Mars
b)
Earth
c)
Neptune
d)
Uranus
5.
What characteristics do Earth and Venus share? 
a)
They rotate in the same direction
b)
They are both similar size and density
c)
They have the same gases in their atmospheres
d)
They were born at the same time
6.
Which is the largest object in our solar system?
a)
Sun
b)
Jupiter
c)
Earth
d)
Pluto
7.
Mercury, Venus, Earth, and Mars are called.....?
a)
Jovian Planets
b)
Awesome Sauce Planets
c)
Gas Giants
d)
Inner Planets
8.
The Sun is at the center of our solar system.  All the planets in the solar system orbit around the Sun. Which of the following planets has the longest orbit? 
a)
Mercury
b)
Earth
c)
Saturn
d)
Neptune
9.
What keeps a planet moving on its path around the sun
a)
gravity & inertia
b)
heat & pressure
c)
inertia & pressure
d)
gravity & heat
10.
What is an astronomical unit?
a)
distance between the moon and earth
b)
distance between the earth and pluto
c)
distance between the earth and sun
d)
distance between NJ and Cali
11.
The closer a planet is to the sun...
a)
the faster it travels
b)
the slower it travels
12.
Which statement best describes a galaxy?
a)
a cluster of millions of stars held together by gravity
b)
a star, with planets, moons and other small space bodies revolving around it
c)
all known objects
d)
all of the above
13.
Which movement creates day/night?
a)
rotation
b)
revolution
14.
What is a common characteristic of the inner  planets?
a)
Gaseous
b)
Distance between them is longer
c)
Rings
d)
Distance between them is shorter
15.
Which movement creates years?
a)
rotation
b)
revolution
16.
What is located between the inner and outer planets.
a)
Sun
b)
Asteroid belt
c)
Uranus
d)
Moons
17.
Which planets are terrestrial planets
a)
Inner planets
b)
Outer planets
c)
Both
d)
Asteroid belt
18.
A force of attraction between any two objects is called _____________.
a)
static electricity 
b)
rotation
c)
gravity
d)
orbit
19.
Which of the following is a common characteristic of outer planets?
a)
have rings
b)
shorter years
c)
terrestrial
d)
less than 5 satellites
20.
All planets have the following characteristics EXCEPT
a)
They rotate
b)
They revolve
c)
They have an atmosphere
d)
They have elliptical orbits
21.

Anthony claims that the patterns of stars in the sky only appear to move, but the patterns do not change. Which piece(s) of evidence would best support this claim?

a)

observations that some stars can be seen in every season

b)

Observations that the pattern of stars in the sky stay the same although they appear to shift across the sky nightly.

c)

Observations that different stars appear in different seasons, but the patterns of the stars remain the same.

22.

A ____ is a huge system of gas, dust, stars, and objects orbiting stars that is held together by the force of gravity.

a)

galaxy

b)

comet

c)

meteor

d)

gas giant

23.

Which planet is an inner planet?

a)

Uranus

b)

Venus

c)

Saturn

d)

Neptune

24.

Which planet is the solar system's largest rocky planet?

a)

Mars

b)

Earth

c)

Mercury

d)

Jupiter

25.

Which choice best describes the parts of the Milky Way?

a)

Earth, its moon, the sun, and Jupiter

b)

Gas, dust, stars, and objects that orbit stars

c)

Asteroids, comets, objects that orbit stars, and the stars

d)

The inner planets, the outer planets, gas, and dust

26.

Which list shows the correct order of planets from the sun?

a)

Mercury, Venus, Earth, Mars

b)

Earth, Mars, Venus, Jupiter

c)

Mars, Venus, Earth, Saturn

d)

Uranus, Jupiter, Neptune, Saturn

27.

Brianna and Mari want to develop a model of how Earth moves in space. In their model, Brianna will represent Earth and Mari will represent the sun. Which of the following should NOT be part of Brianna and Mari's model?

a)

Brianna walks in a circle around Mari.

b)

Brianna spins in circles.

c)

Mari stands still.

d)

Mari walks in a circle around Brianna.

28.

Which is an object in the solar system that is a frozen mass of ice and dust?

a)

an asteroid

b)

a comet

c)

a moon

d)

a planet

29.

What do Jupiter, Saturn, Uranus, and Neptune have in common?

a)

They all have rocky surfaces.

b)

They all appear to be similar to Earth.

c)

They all are gaseous planets.

d)

They all appear to be made of rock and ice.

30.

Why does the sun seem to change position in the sky?

a)

Earth's rotation

b)

Earth's orbit

c)

The sun's rotation

d)

The sun's orbit

31.

Which list shows in correct order the fewest stars to the greatest number of stars?

a)

Our solar system, the universe, the Milky Way Galaxy

b)

The universe, the Milky Way Galaxy, our solar system

c)

Our solar system, the Milky Way Galaxy, the universe

d)

The Milky Way Galaxy, our solar system, the universe

32.

What causes it to appear as if the sun rises and sets each day?

a)

Earth's gravity

b)

The spinning motion of Earth

c)

The revolution of the Earth around the sun

d)

Earth's distance from the sun

33.

When Earth spins, it turns around an imaginary line called a(n)

a)

rotation

b)

axis

c)

orbit

d)

ellipse

34.

The picture shows a tree and its shadow at two different times of day.

Which sentence explains why the shadow changes?

a)

As Earth rotates, the sun is lower in the sky in the morning.

b)

As Earth rotates, the sun is higher in the sky in the morning.

c)

As the sun rotates, it is lower in the sky in the morning.

d)

As the sun rotates, it is higher in the sky in the morning.

35.

Chris is learning about Earth's movement in science class. He records some information in a chart about Earth's movement.

What information in Chris's chart is in the WRONG row of the table?

a)

Causes day and night

b)

Cause shadows to change

c)

Causes change in seasons

d)

Causes sunrise and sunset

36.

Look at the picture of the moon.

What will the moon look like in approximately 14 days?

a)

New Moon

b)

1st Quarter Moon

c)

3rd Quarter Moon

d)

Full Moon

37.

Dylan observes a fully lit moon. When can he expect to see the moon look like this again?

a)

In about 12 hours

b)

In about 24 hours

c)

In about 15 days

d)

In about 30 days

38.

Markos observed the image of the moon above. He is curious to know what the moon looked like several nights before. Which best describes the shape of the moon that occurred BEFORE Markos observed the moon phase below?

a)

The moon looked exactly the same.

b)

The moon was a full moon (brightly lit circle).

c)

The moon was more than half lit on the right side.

d)

The moon was less than half lit on the right side.

39.

Diego sent a map of constellations visible in Florida to his cousin in the Southern Hemisphere. His cousin said he could not use the map. Why couldn’t he?

a)

The stars on the map can only be seen in Florida.

b)

The stars on the map can only be seen in the Northern Hemisphere.

c)

There are no constellations visible from the Southern Hemisphere.

d)

The constellations change shape as you move from north to south.

40.
Which is the largest object in our solar system?
a)
Sun
b)
Jupiter
c)
Earth
d)
Pluto
41.
Which planet is closest to the sun?
a)
Uranus
b)
Mercury
c)
Neptune
d)
Earth
42.
What is a common characteristic of the inner planets?
a)
Large
b)
Gaseous
c)
Rings
d)
Rocky Surface
43.
True or False
The planets are all equally distanced from each other.
a)
True
b)
False
44.
Which planet is the smallest?
a)
Mercury
b)
Venus
c)
Earth
d)
Mars
45.
Which planet rotates to give day/night every 24 hours?
a)
Mercury
b)
Venus
c)
Earth
d)
Mars
46.
What is in between the inner planets and the outer planets?
a)
Asteroid belt
b)
Kuiper belt
c)
Sun
d)
Moon
47.
Which planet has a Great Dark Spot?
a)
Jupiter
b)
Saturn
c)
Uranus
d)
Neptune
48.
Which planet is the largest?
a)
Jupiter
b)
Saturn
c)
Uranus
d)
Neptune
49.
Almost Earth’s twin in size and mass, this planet has very thick atmosphere.
a)
Venus
b)
Mars
c)
Mercury
d)
Neptune
50.
The surface of this planet appears red due to rusting iron in the rocks.
a)
Mercury
b)
Mars
c)
Pluto
d)
Venus
51.
Only planet known to have life
a)
Earth
b)
Mars
c)
Venus
d)
Mercury
52.

This cold, blue planet was discovered by a mathematical prediction.

a)

Neptune

b)

Jupiter

c)

Mars

d)

Venus

53.
Which of the following is an accurate model of how the Sun, Earth, and Moon move?
a)
Sun and moon orbit Earth
b)
Earth and moon orbit Sun
c)
Earth orbit's the Sun and the moon orbits Earth
d)
Earth and sun orbit moon
54.
One of the main differences between the outer and inner planets is __________.
a)
The inner planets all have water
b)
the inner planets are much bigger than the outer planets
c)
the outer planets are gas planets
d)
the outer planets have rings, and the inner planets don't
55.
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
56.

Models of the solar system with Sun at the center are called _____________________ models.

a)

geocentric

b)

heliocentric

c)

terrestrial

d)

none of the above

57.

Models of the solar system with Earth at the center are called _____________________ models.

a)

geocentric

b)

heliocentric

c)

terrestrial

d)

none of the above

58.

How many known planets are in our solar system?

a)

4

b)

7

c)

8

d)

9

59.

What dwarf planet was downgraded from planetary status in 2006?

a)

Mercury

b)

Uranus

c)

Neptune

d)

Pluto

60.

According to the nebular theory, did the planets start forming before or after the Sun ignited?

a)

The planets started forming during the time the Sun ignited.

b)

The planets started forming before the Sun ignited.

c)

The planets started forming after the Sun ignited.

61.

What happens to the amount of the Sun's mass as it "burns"?

a)

The mass of the Sun is constant.

b)

It is converted into kinetic energy of the Sun.

c)

It is converted into radiant energy.

d)

It is converted into gravitational energy.

62.

What is the age of the Sun?

a)

Nearly 5 billion years old.

b)

Nearly 500 million years old.

c)

Nearly 1 billion years old.

d)

Nearly 10 billion years old.

63.

Where is the Sun located when you view a full Moon?

a)

During a full Moon, the Sun, Earth, and the Moon are lined up, with Earth in between.

b)

During a full Moon, the Sun, the Moon, and Earth are lined up, with the Moon in between.

c)

During a full Moon, the Moon, the Sun, and Earth are lined up, with the Sun in between.

d)

During a full Moon, the angle between the Sun, the Moon, and Earth is 90∘.

64.

Why don't eclipses occur monthly, or nearly monthly?

a)

Eclipses occur each time when the Moon is located at the intersection of the Moon's orbital plane and Earth's orbital plane, which is relatively rare event.

b)

Eclipses occur only when the Moon is located at the intersection of the Moon's orbital plane and Earth's orbital plane, and the angle between the Sun, the Moon, and Earth is 90∘, which is relatively rare event.

c)

Eclipses occur only when the Moon is located at the intersection of the Moon's orbital plane and Earth's orbital plane, and the Sun is located on the same line with Earth and the Moon, which is relatively rare event.

d)

None of the above.

65.

Between the orbits of what two planets is the asteroid belt located?

a)

The asteroid belt is located between the orbits of Earth and Mars.

b)

The asteroid belt is located between the orbits of Jupiter and Saturn.

c)

The asteroid belt is located between the orbits of Saturn and Uranus.

d)

The asteroid belt is located between the orbits of Mars and Jupiter.

66.

Identify the phase of the moon in picture 2

a)

Waxing Gibbous

b)

Waning Crescent

c)

Waxing Cresent

d)

Waning Gibbous

67.

Because Pluto has not cleared its orbital path of debris, it was reclassified from a planet to a . . .

a)

asteroid.

b)

meteor.

c)

moon.

d)

dwarf planet.

68.

The astronomer _______________________ first proposed that Earth and the other planets orbit the sun.

a)

Copernicus.

b)

Einstein.

c)

Kepler.

d)

Newton.

69.

Identify the phase of the moon in picture 9

a)

Waxing Gibbous

b)

Waning Crescent

c)

Waxing Cresent

d)

Waning Gibbous

70.

The nebular hypothesis explains

a)

why the planets are spherical in shape.

b)

why the solar system is in a flattened disk.

c)

how the sun and planets formed from a cloud of gas and dust.

d)

all of the above.

71.

One of the main differences between the outer and inner planets is __________.

a)

the inner planets all have water

b)

the inner planets are much bigger than the outer planets

c)

the outer planets are gas planets

d)

the outer planets have do not have rings and the inner planets do

72.

Where is the asteroid belt found?

a)

Between Earth and Mars

b)

Between Uranus and Neptune

c)

Between Mercury and Venus

d)

Between Mars and Jupiter

73.

What planet has a very hot surface and is most like Earth in size?

a)

Venus

b)

Mercury

c)

Mars

d)

Uranus

74.

Which property makes Earth unique compared to other planets in the solar system?

a)

It orbits the Sun.

b)

It is a rocky planet

c)

It has liquid water

d)

It rotates on its axis.

75.

Which contributes to Earth’s ability to sustain life?

a)

The atmosphere allows all of the sun’s radiation to enter due to Earth’s distance from the sun.

b)

The atmosphere prevents all space debris from reaching the surface due to the ozone layer.

c)

The atmosphere is extremely thin due to the temperatures of the sun.

d)

The atmosphere is breathable due to the unique mixture of gases.

76.

What is the correct order of the planets in the Solar System, starting closest to the Sun?

a)

Mars, Mercury, Earth, Venus, Jupiter, Saturn, Uranus, Neptune,

b)

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

c)

Mercury, Mars, Venus, Earth, Jupiter, Saturn, Uranus, Neptune,

d)

Mercury, Venus, Earth, Mars, Jupiter, Neptune, Uranus, Saturn

77.

Which planet has extreme temperatures because it has no atmosphere?

a)

Earth

b)

Jupiter

c)

Saturn

d)

Mercury

78.

Which planet has the most extensive ring structure, the second largest in solar system, has at least 31 moons (the largest being Titan), and has thick outer rings of hydrogen, helium, ammonia, methane, and water vapor?

a)

Jupiter

b)

Neptune

c)

Saturn

d)

Pluto

79.

What do Mercury, Venus, Earth, and Mars all have in common?

a)

They are all very cold planets.

b)

They are considered terrestrial planets, that is rocky or have metals with hard surface.

c)

They are about the same size.

d)

They are considered gas giants

80.

The four inner planets are rocky and small. Which description best fits the next four outer planets?

a)

They are also rocky and small.

b)

They are very large and has no moons

c)

They are small and made of ice.

d)

They are very large, made of gases with no solid surface

81.

Which planet is the largest planet in the solar system and is the fifth planet?

a)

the sun

b)

Uranus

c)

Jupiter

d)

Earth

82.

Which is the eighth planet from the Sun and orbits the Sun once every 164.8 years and is blue in color?

a)

Neptune

b)

Jupiter

c)

Saturn

d)

Mars

83.

Which of the following is ordered from largest to smallest?

a)

Universe -> Galaxy -> Solar System -> Planet

b)

Planet -> Galaxy -> Solar System -> Universe

c)

Planet -> Solar System -> Galaxy -> Universe D.) Universe

d)

Universe -> Solar System -> Galaxy -> Planet

84.

Which planet is home to the tallest mountain , has the largest dust storms in the solar system and is also known as the 'Red Planet' because of the presence of iron oxide in it's rock.

a)

Earth

b)

Venus

c)

Jupiter

d)

Mars

85.

The inner planets are also called a

a)

Gas giants

b)

Terrestrial planets

c)

Large planets

d)

Asteroid

86.

Name for region containing all 8 planets, the sun, asteroids, and other celestial objects?

a)

The Solar System

b)

The Degoba System

c)

Asteroid Belt

d)

Kuiper Belt system

87.

A student is looking at a model of the solar system noted there is a belt of objects in orbit in between Mars and Jupiter. What are these orbiting objects?

a)

Comets

b)

Moons

c)

Asteroids

d)

Pluto

88.

The sun is a...

a)

planet

b)

star

c)

comet

d)

asteroid

89.

What is the object that all planets in our solar system orbit?

a)

The moon

b)

The sun

c)

The Milky Way

d)

Mercury

90.

Which of the these planets would have the greatest gravitational pull on a nearby object?

a)

Mars

b)

Mercury

c)

Jupiter

d)

Neptune

91.

Which planet is the first (1st) from the Sun?

a)
b)
c)
d)
92.

Which planet is the third (3rd) from the Sun?

a)
b)
c)
d)
93.

Which planet is the second (2nd) from the Sun?

a)
b)
c)
d)
94.

Which planet is the fifth (5th) from the Sun?

a)
b)
c)
d)
95.

Which planet is the eighth (8th) from the Sun?

a)
b)
c)
d)
96.

Which planet is the seventh (7th) from the Sun?

a)
b)
c)
d)
97.

Which planet is the sixth (6th) from the Sun?

a)
b)
c)
d)
98.

Which planet is the fourth (4th) from the Sun?

a)
b)
c)
d)
99.

What is the center of our Solar System?

a)
b)
c)
d)
100.

What separates the inner planets from the outer planets?

a)
b)
c)
d)
101.

Which of the following lists the correct order of the planets from the sun?

a)

Mercury, Venus, Mars, Earth, Jupiter, Saturn, Uranus, Neptune

b)

Mercury, Venus, Earth, Mars, Saturn, Jupiter, Uranus, Pluto

c)

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

d)

Mars, Venus, Earth, Mercury, Jupiter, Saturn, Uranus, Neptune

102.

Select all of the following that are considered "inner planets".

a)

Venus

b)

Neptune

c)

Earth

d)

Saturn

103.

Which group of planets are only made of gases and liquids and have no solid surface?

a)

Uranus, Neptune, Saturn

b)

Earth, Mercury, Mars

c)

Neptune, Venus, Jupiter

d)

Mercury, Uranus, Earth

104.

Which group of planets has a terrestrial, or rocky, surface?

a)

Mercury, Venus, Neptune

b)

Saturn, Jupiter, Uranus

c)

Neptune, Earth, Pluto

d)

Venus, Mars, Mercury

105.

Based on the planet size comparison diagram, which planet is the largest?

a)

Mars

b)

Uranus

c)

Jupiter

d)

Neptune

106.

Which best describes the inner and outer planets?

a)

the inner planets are gaseous and much closer together than the outer planets

b)

the inner planets are much smaller and more spread out than the outer planets

c)

the outer planets are terrestrial and much further apart than the inner planets

d)

the outer planets are much larger and more spread out than the inner planets

107.

Which planet has the shortest day of all the planets?

a)

Uranus

b)

Neptune

c)

Jupiter

d)

Earth

108.

Which planet does not have any moons or rings?

a)

Mercury

b)

Neptune

c)

Earth

d)

Saturn

109.

Which planet is the furthest from the sun?

a)

Venus

b)

Neptune

c)

Saturn

d)

Pluto

110.

Which planet has a huge storm called "The Great Red Spot"?

a)

Mars

b)

Venus

c)

Jupiter

d)

Mercury

111.

Which is the smallest planet?

a)

Saturn

b)

Uranus

c)

Earth

d)

Mercury

112.

Based on the diagram of the planet orbits around the sun, which planet has the largest orbit around the sun?

a)

Saturn

b)

Neptune

c)

Mercury

d)

Earth

113.

Which planet is the only planet that is able to support life?

a)

Mars

b)

Venus

c)

Earth

d)

Uranus

114.

Which planet has the tallest mountain in the solar system?

a)

Saturn

b)

Neptune

c)

Venus

d)

Mars

115.

One planet's axis is tilted 98 degrees, so it essentially rotates on its side. Which planet is this?

a)

Uranus

b)

Earth

c)

Mars

d)

Neptune

116.

Which planet has the most moons?

a)

Venus

b)

Saturn

c)

Mercury

d)

Mars

117.

What can be found between the inner and outer planets (between Mars & Jupiter)?

a)

Comets

b)

Asteroid belt

c)

Neptune

d)

The sun

118.

Select the following planets that have rings.

a)

Neptune

b)

Saturn

c)

Jupiter

d)

Mercury

e)

Uranus

119.

Which planet hits the the coldest temperatures?

a)

Saturn

b)

Earth

c)

Mars

d)

Uranus

120.

Which planet is the hottest in our solar system?

a)

Mars

b)

Venus

c)

Uranus

d)

Mercury

121.
The four terrestrial planets all have
a)
Rocky surfaces
b)
Hot temperatures
c)
Deep atmospheres
d)
Large size
122.
The curved path in which a planet, satellite, or spacecraft moves in a circle around another object.  The path one object takes around another.
a)
rotate
b)
orbit
c)
moon
d)
revolve
123.
Which choice shows the correct order of the planets?
a)
Mars, Venus, Earth, Mercury, Jupiter, Saturn, Uranus, Neptune
b)
Earth, Venus, Mars, Mercury, Jupiter, Saturn, Uranus, Pluto
c)
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
d)
Saturn, Venus, Mars, Mercury, Jupiter, Neptune Mercury, Uranus
124.
True or False
The planets are all equally distanced from each other.
a)
True
b)
False
125.
What is responsible for smaller objects in space continuously circling/orbiting larger objects? 
a)
light-year
b)
air
c)
wind
d)
gravity
126.
Two factors effecting the magnitude of the force of gravity between 2 objects are...
a)
mass and distance 
b)
mass and matter
c)
distance and weight 
d)
weight and mass
127.
Any object with mass has gravity.
a)
True
b)
Sometimes
c)
False
d)
Never
128.
Planets form by a process called...
a)
accretion
b)
dark matter interactions
c)
electromagnetic radiation
d)
sun-dropping
129.
Planets that are closer to the sun
a)
take more time to orbit
b)
take less time to orbit
130.
Almost Earth’s twin in size and mass, this planet has very thick atmosphere.
a)
Venus
b)
Mars
c)
Mercury
d)
Neptune
131.
This gas giant has a large storm in its atmosphere known as The Red Spot
a)
Jupiter
b)
Saturn
c)
Uranus
d)
Neptune
132.
Most likely due to a massive collision, this planet rotates from top to bottom.
a)
Saturn
b)
Venus
c)
Neptune
d)
Uranus
133.
What planet is it?
a)
Jupiter
b)
Saturn
c)
Uranus
d)
Venus
134.
Venus, Mercury, Earth, and Mars are what type of planet?
a)
Gas Giants
b)
Ice Giants
c)
Terrestrial Planets
d)
Exterior Planets
135.
Jupiter, Saturn, Uranus, and Neptune are what type of planets?
a)
Gas Giants
b)
Ice Giants
c)
Terrestrial Planets
d)
Exterior Planets
136.
What is in the center of the Heliocentric Model?
a)
Sun
b)
Comet 
c)
Jupiter
d)
Earth
137.
In which type of model are the Sun, other planets, and the Moon in orbit around the Earth?
a)
heliocentric model
b)
tetrahedral model
c)
concentric model
d)
geocentric model
138.
An _______ is between the orbits of Mars and Jupiter. 
a)
Oort Cloud
b)
Asteroid belt
c)
Kuiper belt
d)
Photosphere
139.
What is true of all planets in our Solar System?
a)
They are large bodies in space that orbit the Sun
b)
Planets do not move, only stars move
c)
Planets make their own light
d)
Planets are larger than stars
140.
What holds the planets in their orbits around the sun?
a)
gravity
b)
speed
c)
string
d)
air currents
141.

How many moons does Earth have?

a)

1

b)

2

c)

3

d)

4

142.

Which is the closest planet to the Sun?

a)

Earth

b)

Mars

c)

Mercury

d)

Venus

143.

Which is the farthest planet to the Sun?

a)

Uranus

b)

Neptune

c)

Saturn

d)

Jupiter

144.

Which is the smallest planet?

a)

Mars

b)

Venus

c)

Neptune

d)

Mercury

145.

Which is the biggest planet?

a)

Jupiter

b)

Neptune

c)

Saturn

d)

Uranus

146.

Which is the hottest planet?

a)

Mars

b)

Venus

c)

Mercury

d)

Jupiter

147.

Which planet has a big red spot on its surface?

a)

Mars

b)

Neptune

c)

Uranus

d)

Jupiter

148.

Which planet is mainly composed of gas?

a)

Jupiter

b)

Venus

c)

Earth

d)

Mars

149.

Which planet is the fifth planet to the Sun?

a)

Uranus

b)

Neptune

c)

Saturn

d)

Jupiter

150.

Which planet is the brightest planet?

a)

Mars

b)

Saturn

c)

Venus

d)

Jupiter

151.

How many planets are there in our Solar System?

a)

7

b)

8

c)

9

d)

10

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