Solar System Facts

Name:

Date:

Instructions: Planets, moons, and solar system knowledge

1.
Which planet in our solar system is the largest?
A
Jupiter
B
Saturn
C
Uranus
D
Neptune
2.
How many officially recognized planets are in our solar system?
A
8
B
10
C
7
D
9
3.
Which planet is known as the 'Red Planet'?
A
Venus
B
Mars
C
Mercury
D
Jupiter
4.
Which moon in our solar system is the largest?
A
Ganymede (Jupiter)
B
Titan (Saturn)
C
Triton (Neptune)
D
Europa (Jupiter)
5.
What is Saturn's most distinctive feature?
A
Its Great Red Spot
B
Its many volcanoes
C
Its blue color
D
Its extensive ring system
6.
Approximately how long does it take light from the Sun to reach Earth?
A
About 24 hours
B
About 30 seconds
C
About 1 hour
D
About 8 minutes
7.
Which planet rotates on its side, with an axial tilt of about 98 degrees?
A
Pluto
B
Neptune
C
Venus
D
Uranus
8.
What is the Great Red Spot on Jupiter?
A
A red-colored continent
B
A massive volcano
C
A giant storm
D
An impact crater
9.
Which planet has the shortest day (fastest rotation) in our solar system?
A
Jupiter
B
Mars
C
Mercury
D
Earth
10.
Which of Jupiter's moons is believed to have a liquid water ocean beneath its icy surface?
A
Ganymede
B
Io
C
Europa
D
Callisto
11.
What is the hottest planet in our solar system?
A
Jupiter
B
Mars
C
Mercury
D
Venus
12.
What is the asteroid belt, and where is it located?
A
Between Jupiter and Saturn
B
Between Mars and Jupiter
C
Between Earth and Mars
D
Beyond Neptune
13.
Which planet has the longest year (orbit around the Sun)?
A
Uranus
B
Neptune
C
Saturn
D
Jupiter
14.
What is the tallest known mountain in the solar system?
A
Olympus Mons (Mars)
B
Rheasilvia Peak (Vesta)
C
Mount Everest (Earth)
D
Maxwell Montes (Venus)
15.
What are comets primarily made of?
A
Rock and metal
B
Ice, dust, and rocky material
C
Gas and plasma
D
Pure water ice

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