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PLANETS

Total questions: 111

Worksheet time: 1hrs 23mins

Name
Class
Date
1.

smallest planet

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

2.

Second hottest planet

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

3.

Earth's sister planet

a)

Mercury

b)

Venus

c)

Earth

d)

mars

4.

Closest planet to the Sun

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

5.

names after the Roman goddess of beauty and love

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

6.

rotates in opposite direction of other planets

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

7.

second brightest object in the night sky

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

8.

hottest planet

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

9.

named after Roman messenger to the gods

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

10.

third planet from Sun

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

11.

fourth planet from Sun

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

12.

only planet not named after a god

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

13.

second planet from the Sun

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

14.

only one natural satellite

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

15.

largest dust storms

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

16.

70% of surface is covered in water

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

17.

called Red planet

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

18.

home to the tallest mountain

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

19.

names after Roman god of war

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

20.
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

21.

Which planet is the twin of Neptune?

a)

Jupiter

b)

Saturn

c)

Uranus

d)

Earth

22.

What planet has the biggest volcano in the solar system, named Olympus Mons?

a)
Mars
b)
Jupiter
c)
Earth
d)
Venus
23.
Which is hotter: Venus or Mercury?
a)
Venus
b)
Mercury
c)
They are exactly the same.
d)
Sun
24.

Which planet has the Great Red Spot?

a)
Jupiter
b)
Neptune
c)
Mars
d)
The Moon
25.

Which of these planets has ONLY been successfully visited by the Venera probes about 40 years ago?

a)

Venus

b)

Neptune

c)

Mercury

d)

Jupiter

26.
What is a common characteristic of the inner planets?
a)
Large
b)
Gaseous
c)
Rings
d)
Rocky Surface
27.

Which planet below is an outer planet?

a)
b)
c)
d)
28.

Which planet is so light that it can float on water?

a)

Mercury

b)

Earth

c)

Jupiter

d)

Saturn

29.

What planet is known as Earth's twin?

a)

Saturn

b)

Jupiter

c)

Venus

d)

Mars

30.

Which planet has sulfuric acid rain?

a)

Mars

b)

Neptune

c)

Venus

d)

Saturn

31.

Which planet is most like our moon?

a)

Venus

b)

Mars

c)

Mercury

d)

Neptune

32.

Which planet was named for the Messenger of the gods because it moves quickly around the sun?

a)

Mercury

b)

Uranus

c)

Saturn

d)

Mars

33.

Which planet rotates on its side?

a)

Neptune

b)

Saturn

c)

Mars

d)

Uranus

34.

Which planet has the 4 Galilean moons?

a)

Uranus

b)

Saturn

c)

Jupiter

d)

Neptune

35.

Which planet is known for its DARK blue color?

a)

Uranus

b)

Neptune

c)

Venus

d)

Mars

36.

Which of these is true about outer planets? Select all that apply.

a)

Larger than inner planets

b)

Mainly made of gas

c)

Known since Ancient times

d)

All have rings

e)

All have been better explored than inner planets

37.

Which of the planets below have no moons?

a)

Mercury

b)

Mars

c)

Jupiter

d)

Saturn

38.

Which planet has a year that is over 160 Earth years long?

a)

Uranus

b)

Saturn

c)

Jupiter

d)

Neptune

39.

Which of these planets has the most moons?

a)

Jupiter

b)

Uranus

c)

Venus

d)

Neptune

40.

What planet has 2 moons that are most likely captured asteroids?

a)

Mercury

b)

Venus

c)

Mars

d)

Neptune

41.

Which planet is the twin of Neptune?

a)

Jupiter

b)

Saturn

c)

Uranus

d)

Earth

42.

Which planet is this?

a)

Mercury

b)

Mars

c)

Saturn

d)

Neptune

43.

Which planet has a day that is longer than a year?

a)

Saturn

b)

Mars

c)

Venus

d)

Neptune

44.

Which planet is named for the King of the Gods due to its large size?

a)

Jupiter

b)

Saturn

c)

Uranus

d)

Neptune

45.
The closer a planet is to its host star: 
a)
the shorter the orbital period.
b)
the longer the semi-major axis.
c)
the colder the temperature.
d)
the more eccentric the orbit.
46.
Which of the following would increase the force of gravity on a planet?
a)
Decreasing the mass of the star.
b)
Decreasing the distance between the planet and star.
c)
Decreasing the mass of the planet.
d)
All of the above.
47.
The larger the star, the __________________ the habitable zone.
a)
larger
b)
smaller
c)
closer to the star
d)
further away from the star
48.
An exoplanet is:
a)
a planet that is about to supernova.
b)
any planet outside of our Solar System.
c)
too small to be a regular planet - like Pluto :(
d)
usually very similar to Earth.
49.
Within its orbit, as the planet gets closer to its host star:
a)
the planet speeds up.
b)
the force of gravity on the planet increases.
c)
the temperature of the planet increases.
d)
all of the above.
50.

How do the orbits of the outer planets compare to the inner planets?

a)

The outer planets have shorter orbits because their rotations are shorter.

b)

The inner planets have shorter orbits because their rotations are shorter.

c)

The outer planets have longer orbits because they are farther from the sun.

d)

The inner planets have longer orbits because their orbits are ellipses.

51.

Which are the terrestrial or rocky planets?

a)

Venus, Earth, Mercury, Mars

b)

Mercury, Venus, Earth, Jupiter

c)

Mercury, Venus, Mars, Saturn

d)

Venus, Mars, Earth, Saturn

52.

Planets that are closest to the Sun are identified as

a)

low-density jovian planets

b)

low-density terrestrial planets

c)

high-density jovian planets

d)

high-density terrestrial planets

53.
A student knows the mass of an object. What other variable does the student need to know to calculate the object's density?
a)
Color
b)
Weight
c)
Volume
d)
Length
54.
I have two objects with the same volume but different masses.  Which object will be more dense?
a)
The object with less weight.
b)
The object with more weight.
c)
The object with more mass.
d)
The object with less mass.
55.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
56.
Density is...
a)
the amount of mass in an object
b)
the amount of space an object takes up
c)
the amount of mass in a given space
d)
the weight of an object
57.
Why do ice cubes float in a  glass of water?
a)
the ice cubes are more dense than the water
b)
the water is more dense than the ice cubes
c)
the water is more dense than the glass
d)
the ice is more dense than the glass
58.
Which property of matter is determined by dividing its mass by its volume?
a)
elasticity
b)
buoyancy
c)
density
d)
viscosity
59.
A brick sinks in water while a wooden block of the same size floats.  This is because the brick has a
a)
lower volume than the wooden block
b)
lower density than the wooden block
c)
higher volume than the wooden block
d)
higher density than the wooden block
60.
Why do some substances float on water?
a)
they are warmer than water
b)
they are cooler than water
c)
they are more dense than water
d)
they are less dense than water
61.
Which box has a higher density?  
a)
Box A
b)
Box B
c)
cannot be determined
d)
they are the same
62.
Gravity pulls everything toward...
a)
The ground
b)
The center of mass
c)
The moon
d)
The Sun
63.

Without gravity, the stars, planets and all objects in the universe would _______.

a)

continue to orbit each other

b)

move in a random direction

c)

move in a straight line

d)

stop moving

64.

A(n) _____ is the curved path of an object around a point/object in space.

a)

orbit

b)

rotation

c)

revolution

d)

phase

65.

Smaller values for eccentricity describe...

a)

more circular ellipses.

b)

"flatter" ellipses.

66.

The orbits of the planets in our solar system are mostly circular.

a)

True

b)

False

67.

What Planet is the second from the Sun?

a)

Mars

b)

Venus

c)

Neptune

d)

Mercury

68.

What planets experience the effects of Green house gasses?

a)

Earth and Venus

b)

Earth and Mars

c)

Venus and Mars

d)

Venus and Saturn

69.

Why do the planets orbit the sun?

a)

Elctromagnetism

b)

Gravity

c)

Electricty

d)

Luck

70.

How old is the Solar system?

a)

4.6 Billion years old

b)

4.6 million years old

c)

460 million years old

d)

46 million years old

71.

One year on Earth is defined by one of these?

a)

1 Rotation of Earth

b)

1 Revolution of Earth

c)

365 Revolutions of Earth

d)

300 Rotations of Earth

72.

What are the Terrestrial Planets

a)

Jupiter, Saturn, Earth, Mars

b)

Jupiter, Saturn, Uranus, Neptune

c)

Mercury, Venus, Uranus, Neptune

d)

Mercury, Venus, Earth, Mars

73.

What are the Jovian Planets

a)

Jupiter, Saturn, Earth, Mars

b)

Jupiter, Saturn, Uranus, Neptune

c)

Mercury, Venus, Uranus, Neptune

d)

Mercury, Venus, Earth, Mars

74.

What is the only planet with liquid water?

a)

Neptune

b)

Mars

c)

Earth

d)

Io

75.

What planet has 11 ties the radius of Earth and has twice as much mass as all other planets combined?

a)

Jupiter

b)

Sun

c)

Saturn

d)

Betelgeuse

76.

What celestial object is refered to as a "dirty snowball"

a)

Astroids

b)

Dwarf planets

c)

Jovian Planets

d)

Comets

77.

What planet is closest to the sun?

a)

Mercury

b)

Venus

c)

Saturn

d)

Neptune

78.

Which of the following is NOT a characteristic of the inner planets?

a)

Smaller

b)

Rocky

c)

Gaseous

d)

Shorter years

79.

Which of the following is a terrestrial planet?

a)

Saturn

b)

Jupiter

c)

Mars

d)

Uranus

80.

Which of the following is a ‘Gas Giant’?

a)

Mars

b)

Venus

c)

Jupiter

d)

Earth

81.

It takes Earth 365 days to __________ around the sun

a)

Rotate

b)

Orbit

c)

Revolve

d)

Stay

82.

What is planet #7?

a)

Mercury

b)

Venus

c)

Uranus

d)

Neptune

83.
A force of attraction between any two objects is called _____________.
a)
static electricity 
b)
rotation
c)
gravity
d)
orbit
84.
What is the correct order of the planets from the sun? 
a)
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.
b)
Mercury, Earth, Venus, Mars, Jupiter, Saturn, Uranus, Neptune.
c)
Mercury, Venus, Earth, Mars, Saturn, Jupiter, Uranus, Neptune. 
d)
Mars, Venus, Earth, Mercury, Jupiter, Saturn, Uranus, Neptune. 
85.
Which is the largest object in our solar system?
a)
Sun
b)
Jupiter
c)
Earth
d)
Pluto
86.

Which planet has the shortest day at roughly 10 hours?

a)

Jupiter

b)

Saturn

c)

Uranus

d)

Neptune

87.

Which of Jupiter's moons may be the most promising place to find life?

a)

Europa

b)

Io

c)

Titan

d)

Ganymede

88.

Which of the following is the most volcanically active moon in our solar system?

a)

Europa

b)

Io

c)

Triton

d)

Titan

89.

The largest and most extensive ring system belongs to:

a)

Jupiter

b)

Uranus

c)

Saturn

d)

Neptune

90.

One year on Saturn is equal to almost _____ Earth years.

a)

30

b)

40

c)

50

d)

60

91.

Uranus and Neptune get their vibrant greenish-blue colors from which of the following gasses that is present in their atmopsheres:

a)

Carbon

b)

Iron

c)

Methane

d)

Hydrogen

92.

Saturn's largest moon is called:

a)

Ganymede

b)

Titan

c)

Triton

d)

Caron

93.

The largest moon in our solar system is:

a)

Ganymede

b)

Titan

c)

Triton

d)

Callisto

94.

Neptune in the furthest planet from the sun at roughly 30 AU.

a)

True

b)

False

95.

The windiest planet in our solar system.

a)

Neptune

b)

Uranus

c)

Jupiter

d)

Saturn

96.

Sunlight on Earth is 900x brighter than on this planet.

a)

Jupiter

b)

Uranus

c)

Neptune

d)

Saturn

97.

What is the largest planet in our solar system?

a)

Saturn

b)

Neptune

c)

Uranus

d)

Jupiter

98.

7th planet from the sun. It orbits on its side.

a)

Jupiter

b)

Neptune

c)

Uranus

d)

Saturn

99.

Which planet has the Great Red Spot?

a)

Saturn

b)

Neptune

c)

Uranus

d)

Jupiter

100.

6th planet from the sun. Known for its rings.

a)

Saturn

b)

Uranus

c)

Neptune

d)

Jupiter

101.

Which planet is Saturn?

a)

5

b)

6

c)

7

d)

8

102.
The least dense planet in the solar system is
a)
Jupiter
b)
Saturn
c)
Neptune
d)
Earth
103.

Which gas giant has the most noticeable rings?

a)

Jupiter

b)

Saturn

c)

Uranus

d)

Neptune

104.

Which gas giant has the Great Dark Spot?

a)

Jupiter

b)

Saturn

c)

Uranus

d)

Neptune

105.
What is the correct order of the outer planets?
a)
Neptune, Jupiter, Saturn and Uranus
b)
Uranus, Neptune, Saturn and Jupiter
c)
Jupiter, Saturn, Uranus and Neptune
d)
Neptune, Uranus, Saturn and Jupiter
106.

This planet was discovered using mathematics.

a)

Neptune

b)

Uranus

c)

Saturn

d)

Jupiter

107.

5th planet from the sun. Has 67 moons

a)

Saturn

b)

Uranus

c)

Neptune

d)

Jupiter

108.

This planet has the most moons in our solar system.

a)

Jupiter

b)

Saturn

c)

Uranus

d)

Neptune

109.

This planet has the strongest winds in our solar system.

a)

Jupiter

b)

Saturn

c)

Neptune

d)

Uranus

110.

Largest Planet

a)

Neptune

b)

Saturn

c)

Jupiter

d)

Uranus

111.

This stormy planet is the home to the Great Red Spot.

a)

Neptune

b)

Jupiter

c)

Saturn

d)

Uranus

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