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WorksheetsSolar System
Total questions: 55
Worksheet time: 44mins
Name
Class
Date
1.
The ______is between the orbits of Mars and Jupiter. (Hint: It would hold up the solar system's pants!! ;)
a)
solar system
b)
asteroid belt
c)
terrestrial planets
d)
photosphere
2.
The four terrestrial (Inner) planets are known for their _________
a)
hot temperatures
b)
deep atmospheres
c)
rocky surfaces
d)
large size
3.
How long does it take Earth to complete one revolution around the Sun?
a)
24 hours
b)
one week
c)
one month
d)
one year
4.
Earth completes one full ___________ on its axis every 24 hours.
a)
rotation
b)
revolution
c)
resolution
d)
reservation
5.
What is a planet?
a)
a swirling ball of gases
b)
a star
c)
a huge ball made out of rock
d)
a large object that orbits a star
6.
Which is NOT an inner planet?
a)
Mercury
b)
Venus
c)
Earth
d)
Jupiter
7.
Which planet is between Venus and Mars?
a)
Earth
b)
Neptune
c)
Mercury
d)
Jupiter
8.
Earth and the other planets closest to the Sun are made mostly of _______
a)
gas
b)
metal
c)
water
d)
rock
9.
Select the order from smallest to largest.
a)
Sun, Milky Way, solar system, universe
b)
Sun, Milky Way, universe, solar system
c)
Sun, solar system, Milky Way, universe
d)
Sun, solar system, universe, Milky Way
10.
A spiral galaxy of stars that contains our Sun
a)
Planisphere
b)
Intensity
c)
Star
d)
Milky Way
11.
Life can exist on Earth largely because of
a)
alternating night and day
b)
extreme temperatures
c)
polar ice caps
d)
liquid water
12.
Uranus is different from other planets because it
a)
Is the farthest from the sun
b)
is mostly nitrogen and helium
c)
rotates on its side
d)
has the most moons
13.
What is the smallest terrestrial (Inner) planet?
a)
Mars
b)
Venus
c)
Mercury
d)
Earth
14.
This planet is the "jewel" of the solar system because it is surrounded by rings of dust, ice, and rocks.
a)
Neptune
b)
Earth
c)
Jupiter
d)
Saturn
15.
This planet is known as the Red Planet due to the rust in its rocks. Like Earth, it has four seasons and rotates on it's axis a little more than 24 hours day.
a)
Mars
b)
Mercury
c)
Venus
d)
Neptune
16.
Astronomers use the term ________________ ____________ to describe planets that are positioned "just right" to a star and can maintain liquid water and life.
a)
Goldilocks Syndrome
b)
The Three Bears Syndrome
c)
The Big Bad Wolf Syndrome
d)
Cinderella Syndrome
17.
What is a fact about the outer planets?
a)
They are smaller.
b)
They are made of rock
c)
They are enormous and made of gas.
d)
They have no rings.
18.
What is a fact about the inner planets?
a)
They are smaller and made of rock.
b)
They are made of gas.
c)
They have many moons.
d)
They have rings.
19.
The sun and all of the bodies that revolve around it is the __________
a)
Planet
b)
Comet
c)
Solar System
d)
Asteroid
20.
Large bodies that revolve around the sun are ________
a)
Planets
b)
Comets
c)
Solar Systems
d)
Asteroids
21.
A giant sphere of glowing gases is a ___________
a)
Galaxy
b)
Light-year
c)
Star or a sun
d)
Magnitude
22.
Which planet is furthest away from the sun?
a)
Mercury
b)
Venus
c)
Jupiter
d)
Neptune
23.
Which planet is not an inner planet?
a)
Earth
b)
Mars
c)
Venus
d)
Saturn
24.
Which one is not an outer planet?
a)
Jupiter
b)
Neptune
c)
Mars
d)
Uranus
25.
Which planet has the Great Red Spot?
a)
Pluto
b)
Uranus
c)
Jupiter
d)
Earth
26.
Earth spins on its axis in how many hours?
a)
12
b)
24
c)
42
d)
365
27.
Earth's orbit around the sun takes...
a)
365 days
b)
356 days
c)
24 hours
d)
12 hours
28.
Our galaxy is called...
a)
Spriral
b)
The Milky Way
c)
The Way of the Milk
d)
Elliptical
29.
Mars is the____planet from the sun
a)
4th
b)
7th
c)
6th
d)
5th
30.
Gas Giants are the
a)
Inner Planets
b)
Outer Planets
31.
Terrestrial planets are the
a)
Inner Planets
b)
Outer Planets
32.
How many miles is Earth from the sun?
a)
93 million
b)
72 million
c)
39 million
d)
82 million
33.
Which planet do we live on?
a)
Earth
b)
Mars
c)
Jupiter
d)
Neptune
34.
How many Moons does Mercury have?
a)
0
b)
1
c)
2
d)
3
35.
How many stars are in the solar system?
a)
Millions
b)
Billions
c)
Thousands
d)
One
36.
Which planet was "downgraded" to a dwarf planet?
a)
Mercury
b)
Venus
c)
Pluto
d)
Mars
37.
Which of the following lists the planets in correct order of increasing distance from the Sun?
a)
Pluto, Neptune, Uranus, Saturn, Jupiter, Mars, Earth, Venus, Mercury
b)
Saturn, Pluto, Uranus, Mercury, Neptune, Jupiter, Mars, Earth, Venus
c)
Earth, Venus, Mars, Jupiter, Saturn, Pluto, Uranus, Neptune, Mercury
d)
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto
38.
Which planet is usually the brightest in the sky and is known as the "Morning and Evening Star"?
a)
Venus
b)
Jupiter
c)
Mercury
d)
Mars
39.
Why is the surface of Venus hotter than that of Mercury?
a)
Carbon dioxide in Venus’ atmosphere traps the heat.
b)
Mercury is farther from the sun.
c)
Venus is closer to the sun than Mercury.
40.
What is the Great Red Spot on Jupiter?
a)
A volcano
b)
A crater
c)
An enormous hurricane-like storm
d)
Jupiter has a spot??
41.
True or False
The Earth's thin shell of hard rock is called the crust.
The Earth's thin shell of hard rock is called the crust.
a)
True
b)
False
42.
Which of the following is the largest body in our solar system?
a)
Earth
b)
Mars
c)
the Moon
d)
the Sun
43.
Which planet orbits the Sun in the least amount of time?
a)
Mercury
b)
Mars
c)
Neptune
d)
Pluto
44.
The Moon produces no light, and yet it shines at night. What is the BEST explanation for this fact?
a)
It has many craters.
b)
It rotates at a very high speed.
c)
It is covered with a fine layer of ice.
d)
It reflects light from the sun.
45.
What keeps the planets in orbit around the Sun?
a)
distance
b)
gravity
c)
shape
d)
light
46.
To make the Moon and the planets look nearer, one uses a
a)
barometer
b)
microscope
c)
speedometer
d)
telescope
47.
How much of the Earth is covered in water?
a)
About 20%
b)
About 30%
c)
About 70%
d)
Earth has water??
48.
All of Earth's water is drinkable.
a)
True - yes, you can drink it all!
b)
False - only a fraction of the planet's water is drinkable (the rest is in ice or is salt water)
49.
Astronomers are convinced that liquid water was present on Mars in the past because
a)
huge subsurface deposits of ice have been seen with X-ray telescopes.
b)
during each martian summer large lakes are observed as the polar cap melts.
c)
there is a huge amount of water vapor in martian clouds.
d)
the surface has old riverbed channels cut on it.
50.
Mars was named after this Roman god because ancient people thought the planet was covered in blood.
a)
war
b)
the sea
c)
the sky
d)
the harvest
51.
What is the largest Planet in our Solar system?
a)
Saturn
b)
Jupiter
c)
Sun
d)
Pluto
52.
How many moons does Jupiter have?
a)
4
b)
none
c)
37
d)
At least 67
53.
There are _____ planets
a)
6
b)
8
c)
9
d)
5
54.
The rings of Saturn are made of________
a)
rock and helium
b)
rock and Hydrogen
c)
ice and methane
d)
ice and rock
55.
Uranus is the coldest planet.
a)
false
b)
true
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