WorksheetsSolar System
Total questions: 46
Worksheet time: 28mins
Name
Class
Date
1.
A __________ is a chunk of ice & dust that has a bright head & a long narrow tail.
a)
asteroid
b)
planet
c)
meteoroid
d)
comet
2.
The ______is between the orbits of Mars & Jupiter.
a)
solar system
b)
asteroid belt
c)
terrestrial planets
d)
photosphere
3.
The four terrestrial planets are known for their _________
a)
hot temps
b)
deep atmospheres
c)
rocky surfaces
d)
large size
4.
A force of attraction between any two objects is called _____________.
a)
static electricity
b)
rotation
c)
gravity
d)
orbit
5.
Earth completes one full ___________ on its axis every 24 hours.
a)
rotation
b)
revolution
c)
resolution
d)
reservation
6.
The _______ is between the orbits of Mars and Jupiter.
a)
Oort Cloud
b)
Asteroid belt
c)
Kuiper belt
d)
Photosphere
7.
A giant sphere of glowing gases is a ___________
a)
Galaxy
b)
Light-year
c)
Star
d)
Magnitude
8.
Mercury, Venus, Earth and Jupiter are the inner planets
a)
True
b)
False
9.
Which of the following causes seasons?
a)
the earths tilt
b)
the earths rotation
c)
the earths revolution around the sun
d)
the earths size
10.
Earth and the other planets closest to the Sun are made mostly of _______
a)
gas
b)
metal
c)
water
d)
rock
11.
The moon is a natural ______ of Earth.
a)
comet
b)
axis
c)
satellite
d)
space probe
12.
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
13.
Which outer planets have rings?
a)
Just Saturn
b)
Saturn and Jupiter
c)
Jupiter, Neptune, and Saturn
d)
all 4 of them
14.
a pattern of stars that form an imaginary picture or design in the sky
a)
Orbit
b)
Rotate
c)
constellation
d)
Milky Way
15.
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
16.
What is the smallest terrestrial planet?
a)
Mars
b)
Venus
c)
Mercury
d)
Earth
17.
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
18.
Although this planet is known as Earth's twin, the similarity ends there. This planet's atmosphere is very thick, dense, and composed of carbon dioxide. Clouds of sulfuric acid make it impossible for humans to live there.
a)
Mars
b)
Jupiter `
c)
Venus
d)
Mercury
19.
This planet is known as the Red Planet due to the breakdown of iron rich 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
20.
What is the correct order of the inner planets?
a)
Jupiter, Saturn, Uranus, Neptune
b)
Mercury, Venus, Earth, Mars
c)
Mercury, Earth, Mars, Venus
d)
Jupiter, Mars, Uranus, Neptune
21.
What are gas giants?
a)
comets
b)
the outer planets
c)
the sun and Venus
d)
stars in the Milky Way
22.
Suppose you see the constellation "Big Dipper" in the sky. How will this constellation look if you view if from the same place 12 months from now?
a)
It will look different because Earth will have orbited once around the sun.
b)
It will look different because stars move across the sky.
c)
It will look the same because stars are so far from Earth that it is hard to detect their motion.
d)
It will look different because Earth will have rotated on its axis.
23.
Which statement describes the outer planets?
a)
The outer planets are smaller than the inner planets.
b)
The outer planets are warmer than the inner planets.
c)
The outer planets have rocky surfaces.
d)
The outer planets are made of gases
24.
Between which two planets is the asteroid belt located?
a)
Mercury & Venus
b)
Mars & Jupiter
c)
Uranus & Neptune
d)
Neptune & Pluto
25.
Which planet takes the least time to go around the sun?
a)
Mercury
b)
Earth
c)
Mars
d)
Jupiter
26.
Which planet is an INNER planet?
a)
Jupiter
b)
Mars
c)
Uranus
d)
Neptune
27.
Which planet is an Outer planet?
a)
Earth
b)
Mercury
c)
Saturn
d)
Venus
28.
Earth is the only inhabitable planet.
a)
True
b)
False
29.
How many planets are there?
a)
4
b)
9
c)
8
d)
10
30.
Which planet is NOT a gas giant?
a)
Jupiter
b)
Neptune
c)
Mercury
d)
Uranus
31.
Which planet is NOT a gas giant?
a)
Jupiter
b)
Neptune
c)
Mercury
d)
Uranus
32.
Which planet is the closest planet to the sun?
a)
Venus
b)
Mars
c)
Earth
d)
Mercury
33.
Earth and the other planets closest to the Sun are made mostly of _______
a)
gas
b)
rock
34.
Where are Comets Found
a)
From the Sun
b)
Outside our Solar System
c)
The Moon
d)
In the Oort Cloud
35.
How are Asteroids Created?
a)
Collision of Planets
b)
Collision of Meteoroids
c)
Collisions of Cows
d)
Collision of Stars
36.
What is a meteoroid called when it reaches Earth's surface?
a)
meteoroid
b)
meteorite
c)
meteor
d)
asteroid
37.
What is a meteor started as?
a)
it started as a meteor
b)
asteroids
c)
a plaint
d)
a star
38.
What is it called when you can see lots of meteors at certain times of the year?
a)
meteor rain
b)
falling stars
c)
meteor shower
d)
meteorite shower
39.
Huge chunks of rock and metal (some measuring miles wide) and are believed to be left-over pieces of planets and moons are called:
a)
Comets
b)
Meteors
c)
Asteroids
d)
Meteroids
40.
When a meteoroid STRIKES the surface of the earth scientists refer to them as:
a)
Asteroids
b)
Comets
c)
Meteors
d)
Meteorites
41.
When objects strike the surface of a planet or moon, they leave a deep impression on the surface called a:
a)
Pothole
b)
Crater
c)
Canyon
d)
Plateau
42.
We often see these objects appear as "shooting stars" or streak of light in the sky. They are "smaller" pieces of rock:
a)
Asteroids
b)
Meteors
c)
Meteroids
d)
Comets
43.
What planet is this?
a)
Saturn
b)
Jupiter
c)
Earth
d)
Neptune
44.
What planet is this?
a)
Jupiter
b)
Uranus
c)
Saturn
d)
Neptune
45.
What is this tool used for?
a)
To see objects close up
b)
To see objects far away
c)
To magnify objects
46.
Which planets have no moons?
a)
Venus and Mars
b)
Mercury and Earth
c)
Venus and Mercury
d)
Mars and Mercury
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