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WorksheetsAstronomy
Total questions: 100
Worksheet time: 1hrs 1mins
Name
Class
Date
1.
Which of these is a dwarf planet?
a)
Jupiter
b)
Uranus
c)
Pluto
d)
Venus
2.
Which is the largest object in the solar system?
a)
Sun
b)
Moon
c)
Star
d)
None of the above
3.
How many major planets are there in our solar system?
a)
7
b)
25
c)
10
d)
8
4.
The time that is taken by Neptune to travel once around the Sun is called
a)
a Neptune day
b)
a Neptune year
c)
a Neptune week
d)
a Neptune period
5.
Distance in the solar system is measured by
a)
miles
b)
kilometers
c)
astronomical units
d)
light years
6.
A(n) _______ is the distance from the Sun to Earth.
a)
astronomical unit
b)
solar unit
c)
solar meter
d)
none of the above
7.
Together, all of the planets equal the mass of the Sun.
a)
true
b)
false
8.
One day on Venus is equal to approximately 243 Earth days. What does this mean?
a)
the length of a planet's day is inversely related to its distance from the Sun
b)
the length of a planet's day is directly related to its distance from the Sun
c)
Venus takes 243 Earth days to rotate once on its axis
d)
Venus takes 243 Earth days to orbit the Sun once
9.
Which of the following is most similar to Earth in terms of size and overall mass?
a)
Venus
b)
Mercury
c)
Mars
d)
Jupiter
10.
The Sun is _____ more massive than the rest of the solar system combined.
a)
10 times
b)
20 times
c)
200 times
d)
500 times
11.
On which planet would your weight be closest to your weigh on Earth?
a)
Mercury
b)
Venus
c)
Mars
d)
Jupiter
12.
About how many times has Mercury been around the Sun in the time it has taken Earth to go around ten times?
a)
approximately once
b)
approximately 2.5 times
c)
approximately 4 times
d)
approximately 40 times
13.
Approximately how far away is the Sun from Earth?
a)
93,000,000 km
b)
150,000,000 km
c)
150,000,000 miles
d)
1 light year
14.
The orbits of the planets in our solar system are ____, not ____.
a)
elliptical, circular
b)
circular, elliptical
c)
circular, oval
d)
none of the above
15.
The asteroid belt is the region of the solar system located roughly between the orbits of the planets ___ and ___.
a)
Uranus, Saturn
b)
Jupiter, Saturn
c)
Mars, Saturn
d)
Mars, Jupiter
16.
Mars has the smallest orbit in our solar system
a)
true
b)
false
17.
What is the sun?
a)
A star
b)
A moon
c)
A planet
d)
An asteroid
18.
What is Earth?
a)
The 4th planet from the sun, we live on it.
b)
The 3rd planet from the sun, we live on it.
c)
The 2nd planet from the sun, we live on it.
d)
The 5th planet from the sun, we live on it.
19.
A group of stars that forms a particular shape in the sky and has been given a name
a)
Solar System
b)
Constellations
c)
Revolution
d)
Axis
20.
Any one of thousands of small rocky bodies that circle around the sun
a)
Rotation
b)
Orbit
c)
Comets
d)
Asteroids
21.
An object in outer space that develops a long, bright tail when it passes near the sun
a)
Comets
b)
Asteroids
c)
Revolution
d)
Axis
22.
The curved path of the Earth around the sun
a)
Solar System
b)
Revolution
c)
Axis
d)
Orbit
23.
Our sun and the planets that move around it, is called?
a)
Solar System
b)
Rotation
c)
Axis
d)
Revolution
24.
A celestial body of ice, dust, and rock with an elongated and elliptical orbit.
a)
coma
b)
comet
c)
moon
d)
planet
25.
A celestial body that revolves around a planet.
a)
moon
b)
star
c)
comet
d)
meteor
26.
Something that orbits around another object.
a)
satellite
b)
sun
c)
galaxy
27.
Remains of meteoroids that strike the surface of Earth or the Moon.
a)
meteor
b)
meteorites
c)
meteoid
28.
A small object that enters Earth's atmosphere from space and burns due to friction, emitting light.
a)
meteor
b)
meteorites
c)
meteoid
29.
The region between the inner and outer planets where most asteroids orbit around the Sun.
a)
Asteroid Belt
b)
Solar System
c)
Inner Planet
d)
Outer Planet
30.
Any of the planets Jupiter, Saturn, Uranus, and Neptune, whose orbits lie beyond the asteroid belt.
a)
Asteroid Belt
b)
Solar System
c)
Terrestrial Planet
d)
Gas Giant
31.
Any of the rocky, inner planets of Mercury, Venus, Earth, and Mars, whose orbits are inside the asteroid belt.
a)
Asteroid Belt
b)
Solar System
c)
Terrestrial Planet
d)
Gas Giant
32.
A ball of gas in space that produces its own light and heat.
a)
satellite
b)
planet
c)
solar
d)
star
33.
Objects made of ice, gas and dust and orbit our sun are called:
a)
Asteroids
b)
Comets
c)
Meteroids
d)
Meteors
34.
When a meteoroid STRIKES the surface of the earth scientists refer to them as:
a)
Asteroids
b)
Comets
c)
Meteors
d)
Meteorites
35.
What do comets orbit
a)
The Stars
b)
The Planets
c)
The Sun
36.
What separates the inner planets from the outer planets
a)
Comet Belt
b)
Meteor Belt
c)
Asteroid Belt
d)
Nothing
37.
What keeps the Earth and other planets in orbit?
a)
The sun
b)
Gravity
c)
Earth's magnetic field
38.
Planets with the longest revolution are called the
a)
Gas Giants
b)
Terrestrial Planets
39.
These are the planets that do not have rings
a)
Gas Giants
b)
Terrestrial Planets
40.
One similarity between asteroids, comets and meteoroids is that they all:
a)
are made of rock
b)
come from the Asteroid Belt
c)
come from the Oort Cloud
d)
orbit the sun
41.
The name we give to the 4 planets furthest from the sun.
a)
Gas Giants
b)
Terrestrial Planets
c)
Rocky Planets
d)
Inner Planets
42.
Almost Earth’s twin in size and mass, this planet has very thick atmosphere.
a)
Venus
b)
Mars
c)
Mercury
d)
Neptune
43.
The surface of this planet appears red due to rusting iron in the rocks.
a)
Mercury
b)
Mars
c)
Pluto
d)
Venus
44.
This cold, blue planet was discovered by a mathematical prediction.
a)
Neptune
b)
Jupiter
c)
Uranus
d)
Venus
45.
This is the smallest planet in the solar system
a)
Mercury
b)
Venus
c)
Earth
d)
Mars
46.
This is the largest planet in the solar system.
a)
Saturn
b)
Jupiter
c)
Uranus
d)
Venus
47.
Only planet known to have life
a)
Earth
b)
Mars
c)
Venus
d)
Mercury
48.
This is the only planet in the solar system with oceans of liquid water.
a)
Mercury
b)
Mars
c)
Venus
d)
Earth
49.
Most likely due to a massive collision, this planet rotates from top to bottom.
a)
Saturn
b)
Venus
c)
Neptune
d)
Uranus
50.
This gas giant has a large storm in its atmosphere known as The Red Spot
a)
Jupiter
b)
Saturn
c)
Uranus
d)
Neptune
51.
Scientists have been able to find no atmosphere around this planet because it has little gravity and is closest to the sun.
a)
Mars
b)
Venus
c)
Mercury
d)
Earth
52.
Which of the following represent the correct order from largest to smallest?
a)
Solar System, Universe, and Galaxy
b)
Universe, Solar System, and Galaxy
c)
Galaxy, Universe, and Solar system
d)
Universe, Galaxy, and Solar System
53.
Which of the following planets could a space ship land on?
a)
Jupiter
b)
Mars
c)
Saturn
d)
Neptune
54.
A ________________ is a region of the sky that contains a recognizable star pattern that is used to describe the location of objects in space.
a)
Comet
b)
Constellation
c)
Comet
d)
Meteor
55.
True or False, the Milky Way Galaxy is a spiral galaxy.
a)
Ture
b)
False
56.
What is the difference between a meteor and a meteoroid?
a)
A meteor is a small piece of dust and a meteoroid is a small, rocky object that travels through space
b)
A meteoroid is a bright streak of light that burns in the sky and a meteor is a small, rocky object that travels through space.
c)
A meteor is a small, rocky object that orbits the sun, and a meteoroid is a small, rocky object that travels through space.
d)
A meteor is a bright streak of light that burns in the sky and a meteoroid is a small, rocky object that travels through space
57.
What do scientists believe is happening to the universe?
a)
It is shrinking
b)
It is staying the same
c)
It is expanding
d)
It is going to explode
58.
Which planet is known as “Earth’s twin”?
a)
Mars
b)
Saturn
c)
Mercury
d)
Venus
59.
These planets are known as the terrestrial planets because they are dense and rocky:
a)
Venus, Jupiter, Earth, and Mars
b)
Saturn, Jupiter, Venus, and Mars
c)
Earth, Venus, Mars, and Saturn
d)
Mercury, Venus, Earth, and Mars
60.
Our solar system is located in the Milky Way. Which one of the following statements best describes the Milk Way?
a)
An irregular galaxy containing about 200 billion stars
b)
An elliptical galaxy containing about 200 billion stars
c)
A spiral galaxy containing about 200 billion stars
d)
A nebula containing about 200 billion stars.
61.
Which of the following planets is a gas planet/outer?
a)
Earth
b)
Uranus
c)
Venus
d)
Mercury
62.
Where in the Milky Way is our solar system located?
a)
In a spiral arm of the Milky Way
b)
In a nebula in the Milky Way
c)
In a globe in the Milky Way
d)
In the central bulge of the Milky Way
63.
Also known as a “shooting star”
a)
Meteoroid
b)
Meteor
c)
Comet
d)
Asteroid
64.
This planet is also known as the “Red Planet”
a)
Neptune
b)
Jupiter
c)
Venus
d)
Mars
65.
Which of the following is the correct order of all 8 planets in our solar system?
a)
Mercury, Venus, Earth, Mars, Saturn, Jupiter, Uranus, and Neptune
b)
Mars, Venus, Earth, Mercury, Jupiter, Saturn, Uranus, and Neptune
c)
Venus, Mercury, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune
d)
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune
66.
This planet is the largest planet in the solar system:
a)
Saturn
b)
Jupiter
c)
Venus
d)
Neptune
67.
How do gas giants differ from terrestrial plants?
a)
They are rocky and icy
b)
They have hard surfaces
c)
They are made mostly of gas
d)
They are much smaller
68.
The galaxy consists of all of the following EXCEPT what?
a)
Stars
b)
Dust
c)
Gases
d)
The universe
69.
This theory is the idea that all matter began in an infinitely small point and exploded out in all directions: Meteorcentric theory
a)
Heliocentric theory
b)
Geocentric theory
c)
Big Bang theory
d)
Meteorcentric theory
70.
The universe is described as
a)
Consisting of planets, stars, and galaxies.
b)
Consisting of planets and galaxies.
c)
Consisting of galaxies.
d)
Consisting of planets.
71.
Which planet is closest to the sun?
a)
Mercury
b)
Venus
c)
Mars
d)
Earth
72.
Which planet has frozen ice caps?
a)
Venus
b)
Mercury
c)
Mars
73.
What is the only planet that has living things?
a)
Earth
b)
Mars
c)
Venus
74.
Which planet has a giant red spot?
a)
Jupiter
b)
Neptune
c)
Saturn
d)
Uranus
75.
What is the only planet that spins on it's side?
a)
Neptune
b)
Uranus
c)
Saturn
76.
____________ is not a planet, it is a dwarf planet
a)
Pluto
b)
Mercury
c)
Neptune
77.
Which of these is the correct order of the planets?
a)
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
b)
Mercury, Mars, Earth, Venus, Jupiter, Saturn, Uranus, Neptune
c)
Mercury, Venus, Earth, Mars, Saturn, Jupiter, Uranus, Neptune
d)
Mercury, Venus, Earth, Mars, Jupiter, Neptune, Uranus
78.
According to the Big Bang theory, how did the universe begin?
a)
A single point where all matter and energy were concentrated
b)
As a system of expanding galaxies
c)
as an empty space without any matter or energy
79.
What is our galaxy called?
a)
Milky Way
b)
Polaris
c)
the galaxy
d)
Snickers
80.
What shape is our galaxy?
a)
Irregular
b)
Spiral
c)
Elliptical
81.
As a comet gets closer to the sun its tail
a)
points away from the sun
b)
points toward the sun
82.
The sun's gravity
a)
keeps the planets moving around the sun
b)
pulls the planets toward the sun
c)
speeds up the motion of the planets
83.
Intertia
a)
pulls the planets toward the sun
b)
keeps the planets in motion around the sun
c)
speeds up the motion of the planets
84.
The Sun and all the objects orbiting it are known as ______.
a)
planets
b)
stars
c)
solar system
d)
asteroids
85.
Terrestrial planets are ____.
a)
inner planets, rocky, and small
b)
inner planets, gaseous, and large
c)
outer planets, rocky, and small
d)
outer planets, gaseous, and large
86.
Gas Giants are ____.
a)
inner planets, rocky, and small
b)
inner planets, gaseous, and large
c)
outer planets, rocky, and small
d)
outer planets, gaseous, and large
87.
_____ are smaller in size, reflects light and do not undergo nuclear fusion; ______ undergo nuclear fusion, larger in size, and give off light.
a)
Stars; Planets
b)
Planets; Stars
c)
Comets; Asteroids
88.
What type of galaxy is this image?
a)
Irregular
b)
Elliptical
c)
Spiral
d)
Starburst
89.
What type of galaxy is this image?
a)
Elliptical
b)
Irregular
c)
Starburst
d)
Spiral
90.
A solar system completely includes all except ________.
a)
planets
b)
galaxy
c)
moons
d)
stars
91.
Fusion will begin when a nebula __________.
a)
contracts and temperature increases
b)
expands and temperature increases
c)
contracts and temperature decreases
d)
expands and temperature decreases
92.
Gas and dust found in interstellar nebulae evolve into _________.
a)
stars
b)
asteroids
c)
comets
d)
planets
93.
The night sky is divided into 88 different regions with distinct boundaries and are called ________.
a)
galaxies
b)
constellations
c)
star systems
d)
astrology
94.
Astronomy has been redefined and reshaped in the last 25 years primarily due to ___________.
a)
International Space Station
b)
The Apollo Program
c)
The Hubble Telescope
d)
Deep Sea Exploration
95.
What theory indicates the Earth and Moon formed about the same time?
a)
Protolunosity
b)
Hubble hyberbole
c)
Solar nebula
d)
Plangenisis
96.
Our solar system evolved from:
a)
Red giant
b)
Black hole
c)
Nebula
d)
Super giant
97.
The solar nebula that formed our solar system was thought to be put in motion by a _____________.
a)
paleostar
b)
nearby supernova
c)
black hole
d)
Hanzlergen dipole
98.
Light that is red-shifted indicates
____________.
____________.
a)
movement away
b)
movement towards
c)
object is stationary
d)
a wobble effect
99.
How has the size of the universe changed with time?
a)
Stayed the same.
b)
Become smaller.
c)
Fluctuates between larger and smaller.
d)
Continues to expand.
100.
Stellar distances are measured using _________.
a)
parsecs
b)
astronomical units
c)
light years
d)
meters
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