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WorksheetsCelestial Objects
Total questions: 23
Worksheet time: 11mins
Name
Class
Date
1.
The atmosphere is mainly nitrogen and oxygen. It is a terrestrial planet.
a)
Mercury
b)
Venus
c)
Earth
d)
Mars
2.
This object is made of frozen gas, rock, and dust. It has a "tail" when it gets close to sun
a)
meteor
b)
meteorite
c)
meteoroid
d)
comet
3.
This terrestrial planet has no moon and is 58 million kilometers from the Sun.
a)
Mercury
b)
Earth
c)
Jupiter
d)
Venus
4.
This outer planet takes 84 Earth years to revolve around the Sun. It also rotates "backwards."
a)
Jupiter
b)
Saturn
c)
Mercury
d)
Uranus
5.
This is the group of objects held together by our Sun.
a)
Milky Way
b)
Solar System
c)
Inner Planets
d)
Outer Planets
6.
This object is what a meteoroid is called when it enters Earth's atmosphere.
a)
meteor
b)
meteorite
c)
comet
d)
asteroid
7.
This Galilean moon is covered in very active volcanoes.
a)
Io
b)
Earth's moon
c)
Callisto
d)
Europa
8.
These are the gas planets
a)
Mercury, Venus, Earth, Mars
b)
Inner Planets
c)
Jupiter, Saturn, Uranus, Neptune
d)
Solar System
9.
This is the larger version of a small rock in space. They vary in size and mass.
a)
Asteroid
b)
Comet
c)
Pluto
d)
Meteorite
10.
This terrestrial planet has almost the same rotation period as Earth and is 228 million km from Sun
a)
Mars
b)
Mercury
c)
Venus
d)
Jupiter
11.
This gas planet takes 29 Earth years to revolve around the Sun.
a)
Jupiter
b)
Saturn
c)
Uranus
d)
Neptune
12.
This object is the largest object in our solar system.
a)
Ganymede
b)
Jupiter
c)
Titan
d)
Sun
13.
This gas planet has an atmosphere made of mainly hydrogen and has 53 named moons
a)
Jupiter
b)
Saturn
c)
Uranus
d)
Neptune
14.
This outer planet is farthest from the Sun at 4.5 billion kilometers.
a)
Jupiter
b)
Saturn
c)
Uranus
d)
Neptune
15.
This is the name for a meteoroid that falls to Earth and lands on Earth's surface.
a)
meteor
b)
asteroid
c)
meteorite
d)
comet
16.
This moon is the smallest of the Galilean moons and has an icy surface.
a)
Io
b)
Europa
c)
Ganymede
d)
Callisto
17.
This is the largest moon in our solar system.
a)
Ganymede
b)
Earth's moon
c)
Jupiter
d)
Titan
18.
This moon has had humans land on it.
a)
Earth's moon
b)
Ganymede
c)
Callisto
d)
Titan
19.
These are the terrestrial planets.
a)
Mercury, Jupiter, Venus, Mars
b)
Inner Planets
c)
Outer Planets
d)
Saturn, Mars, Earth, Venus
20.
This object varies in size, is a smaller version of an asteroid, and is found in space.
a)
Meteor
b)
Meteoroid
c)
Comet
d)
Meteorite
21.
This is the name for four of Jupiter's moons, named for the scientist who discovered them.
a)
Shakespearean Moon
b)
Galilean Moons
c)
Newtonian Moons
d)
Four Sister Moons
22.
This is the location between the inner and outer planets where these objects tend to cluster.
a)
Orion's Belt
b)
Asteroid Belt
c)
Grandpa's Belt
d)
Kuiper Belt
23.
This planet is closest to Earth. It's atmosphere is mainly carbon dioxide and a bit of nitrogen
a)
Mercury
b)
Venus
c)
Earth
d)
Mars
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