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Planets Test

Total questions: 90

Worksheet time: 54mins

Name
Class
Date
1.

Which answer correctly orders the planets from the sun?

a)

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

b)

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

c)

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

d)

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

2.

Which answer correctly orders the planets from largest to smallest?

a)

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

b)

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

c)

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

3.

Which planet is know as the red planet?

a)

Earth

b)

Mars

c)

Venus

d)

Mercury

4.

Which planet is the only planet know to have life?

a)

Earth

b)

Mars

c)

Venus

d)

Mercury

5.

Which planets are the terrestrial planets?

a)

Mercury, Venus, Earth, Mars

b)

Jupiter, Saturn, Uranus, Neptune

c)

Mercury, Venus, Earth, Saturn

d)

Jupiter, Mercury, Venus, Earth

6.

Which planets are the gas giants?

a)

Mercury, Venus, Earth, Mars

b)

Jupiter, Saturn, Uranus, Neptune

c)

Mercury, Venus, Earth, Saturn

d)

Jupiter, Mercury, Venus, Earth

7.

Which planet is the largest planet?

a)

Mercury

b)

Neptune

c)

Saturn

d)

Jupiter

8.

Which planet is the smallest planet?

a)

Mercury

b)

Neptune

c)

Saturn

d)

Jupiter

9.

Which planet is tipped on its side?

a)

Neptune

b)

Jupiter

c)

Saturn

d)

Uranus

10.

Which planet has beautiful rings made of ice, rock and dust?

a)

Saturn

b)

Mars

c)

Earth

d)

Neptune

11.

Which planet has the great red spot?

a)

Saturn

b)

Jupiter

c)

Earth

d)

Mars

12.

Which planet is closest to the sun?

a)

Mercury

b)

Earth

c)

Venus

d)

Mars

13.

What is the biggest planet in the Solar System?

(a)  

14.

Which of the planets is the smallest in the Solar System?

a)

Neptune

b)

Earth

c)

Mercury

d)

Uranus

15.

Which planet in the Solar System is the hottest?

a)

Mars

b)

Venus

c)

Saturn

d)

Earth

16.
Uranus is different that other planets because it rotates on it's side. 
a)
True
b)
False
17.
The 2nd planet from the Sun is...
a)
Venus
b)
Mars
c)
Earth
d)
Pluto
18.
Mercury is the ____ planet from the sun. 
a)
1st
b)
2nd 
c)
3rd
d)
4th
19.

The inner planets are known as “gas giants” and the outer planets are known as “terrestrial planets.”

a)

True

b)

False

20.

The outer planets are larger in size than the inner planets.

a)

True

b)

False

21.

Has thick toxic clouds.

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

22.
Which planet is the largest?
a)
Jupiter
b)
Saturn
c)
Uranus
d)
Neptune
23.
How many outer planets are there?
a)
4
b)
8
c)
9
d)
20
24.
What planet has the biggest volcano?
a)
Mars
b)
Jupiter
c)
Earth
d)
Venus
25.
Which is hotter: Venus or Mercury?
a)
Venus
b)
Mercury
c)
They are exactly the same.
d)
Sun
26.
What is Earth's nickname?
a)
The Blue Planet
b)
The Green Planet
c)
The Life Planet
d)
The Big Bang
27.
What is the sixth planet from the sun?
a)
Saturn
b)
Uranus
c)
Neptune
d)
Asteroid Belt
28.
What divides the inner planets from the outer planets?
a)
Kuiper Belt
b)
Oort Cloud
c)
Asteroid Belt
29.
What is at the center of the Solar System?
a)
Earth
b)
Moon
c)
Sun
d)
Jupiter
30.
When the Earth travels all the way around the Sun, it is called a . . .
a)
Day
b)
Rotation
c)
Year
d)
Spin
31.
When the Earth spins around its own axis one whole time, it is called a ....
a)
Year
b)
Day
c)
Hemisphere
d)
Seasons
32.
Which planet is Mercury?
a)
1
b)
2
c)
3
d)
4
33.
What force keeps the planets orbiting the sun?
a)
Gravity
b)
Magnetism
c)
Electricity
d)
Friction
34.
This is the only planet in the solar system with oceans of liquid water.
a)
Mercury
b)
Mars
c)
Venus
d)
Earth
35.
The coldest planet
a)
Jupiter
b)
Neptune
c)
Saturn
36.

Dwarf Planet

a)

Pluto

b)

Mercury

c)

Mars

d)

Earth

37.

The only planet that rotates the opposite direction to most other planets.

a)

Mercury

b)

Mars

c)

Venus

d)

Neptune

38.

The most distant planet

a)

Neptune

b)

Saturn

c)

Jupiter

d)

Uranus

39.

Which planet has the longest year?

a)

Venus

b)

Mars

c)

Jupiter

d)

Neptune

40.

Which planet has the longest day?

a)

Mercury

b)

Venus

c)

Jupiter

d)

Saturn

41.

Which planet has the shortest day?

a)

Mercury

b)

Earth

c)

Saturn

d)

Jupiter

42.

Which planet is the god of war?

a)

Mercury

b)

Venus

c)

Mars

d)

Saturn

43.

Which planet is the goddess of beauty?

a)

Saturn

b)

Earth

c)

Uranus

d)

Venus

44.

Which two facts describe Earth?

a)

largest inner planet

b)

outer planet

c)

terrestrial planet

d)

gas giant

45.
Gas giants
a)
Inner planets
b)
Outer planets
c)
Both
d)
Venus
46.
What is a common characteristic of the inner planets?
a)
Large
b)
Gaseous
c)
Rings
d)
Rocky Surface
47.
Which planet has no atmosphere and looks like our moon?
a)
Mercury
b)
Venus
c)
Earth
d)
Mars
48.
Which planet has had rovers sent to it to study its soil?
a)
Mercury
b)
Venus
c)
Earth
d)
Mars
49.
What is in between the inner planets and the outer planets?
a)
Asteroid belt
b)
Kuiper belt
c)
Sun
d)
Moon
50.
Which planet rotates on its side?
a)
Jupiter
b)
Saturn
c)
Uranus
d)
Neptune
51.
Which Planet comes after Earth in the solar system?
a)
Mercury
b)
Mars 
c)
Venus 
d)
Eros
52.
How long does it take the Earth to make one REVOLUTION around the Sun?
a)
12 hours
b)
24 hours
c)
365 days
d)
29.5 days
53.
How long does it take for Earth to complete on full rotation?
a)
365 days
b)
23 hours
c)
24 hours
d)
1 month
54.
How many planets in the solar system are there?
a)
8
b)
18
c)
10
d)
4
55.

The sun is a ___________.

a)

Star

b)

Comet

c)

Planet

56.

Which planet is known as Earth's twin because it is a similar size?

a)

Mercury

b)

Saturn

c)

Venus

57.

Which planet rotates in the opposite direction?

a)

Mercury

b)

Venus

c)

Earth

d)

Mars

58.

The Outer Planets are extremely

a)

Cold

b)

Hot

59.
The asteroid belt can be found between which two planets?
a)
Earth and Mars
b)
Venus and Earth
c)
Saturn and Uranus
d)
Mars and Jupiter
60.

How many planets do we have in our solar system?

a)

9

b)

7

c)

8

61.

What is an orbit?

a)

a type of sweet

b)

a curved path in space that one object takes around another

c)

a star

62.

One year is the time that it takes for a planet to…

a)

make one complete orbit around the Sun

b)

complete one rotation on its axis

63.

What is the 7th planet from the sun?

a)

Uranus

b)

Earth

c)

Mercury

64.

Which planet is known as the "third rock from the sun"?

a)

Mercury

b)

Venus

c)

Earth

65.
a)

Earth

b)

Jupiter

c)

Saturn

66.
a)

Earth

b)

Saturn

c)

Neptune

67.
a)

Saturn

b)

Pluto

c)

Earth

68.

Which planet has the highest GRAVITY?

a)
b)
c)
d)
69.

Which planet rotates on its side?

a)
b)
c)
d)
70.

Which planet is the hottest?

a)
b)
c)
d)
71.

Which of the following is not really a planet?

a)
b)
c)
d)
72.

Which of the following have the planets in their order from the Sun?

a)
b)
c)
d)
73.

Which planet has thick yellow clouds that trap the Sun's heat and makes it the hottest planet?

(a)  

74.

Which two planet are commonly referred to as ice giants?

a)
Mercury & Venus
b)
Earth & Mars
c)
Jupiter & Sun
d)
Uranus & Neptune
75.
What is the seventh planet in our solar system? 
a)
Uranus
b)
Mars
c)
Earth 
d)
Pluto
76.

Rotation (Spin) = One ___________________

a)
Year
b)
Day
77.

Revolution (Orbit) = One ___________

a)
Day
b)
Year
78.
The majority of Jupiter is made up of
a)
nitrogen and oxygen.
b)
helium and oxygen.
c)
rock and water.
d)
hydrogen and helium.
79.

Which two planets have no moons?

a)

Mercury & Mars

b)

Mercury & Earth

c)

Venus & Mars

d)

Venus & Mercury

80.

Which planet has two oddly shaped moons?

a)

Earth

b)

Mercury

c)

Mars

d)

Jupiter

81.

A day is longer than a year on this planet.

a)

Jupiter

b)

Mars

c)

Venus

d)

Earth

82.

How many moons does Earth have?

a)

4

b)

3

c)

2

d)

1

83.

This rocky planet is the fourth planet from the sun. It has two moons and is known as the “Red Planet.”

a)

Moon

b)

Mercury

c)

Venus

d)

Mars

84.

This icy dwarf planet is no longer considered a planet due to its size and location in space. It’s also called a plutoid.

a)

Earth

b)

Pluto

c)

Neptune

d)

Uranus

85.

This rocky planet is the second planet from the sun. It doesn’t have any moons and it’s similar in size to Earth.

a)

Venus

b)

Mars

c)

Earth

d)

Saturn

86.

Mercury, Venus, Earth and Mars are closer to the sun. They are called __________________ and _____________________.

a)

Gas Giants

b)

Inner Planets

c)

Rocky planets

d)

Outer Planets

87.

Jupiter, Saturn, Uranus and Neptune are further away from the sun. They are called ____________________ and ___________________.

a)

Gas Giants

b)

Rocky Planets

c)

Inner Planets

d)

Outer Planets

88.

It’s the star at the center of the solar system. It’s the

most important sources of energy on Earth.

a)

Sun

b)

Polaris

c)

Isis

d)

Pluto

89.

It’s the natural satellite that orbits the Earth. It’s rocky

and dusty surface is covered with craters. It doesn’t

have water or an atmosphere.

a)

Sun

b)

Moon

c)

North Star

90.

It’s the study of objects in our solar system and

beyond.

a)

Biology

b)

Astronomy

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