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Solar System Quiz
Author :
Patricia R. Z.
1.
How many planets do we have in our solar system?
A
7
B
8
C
9
2.
What is the closest planet to the Earth?
A
Jupiter
B
Mars
C
Venus
3.
What is the coldest planet in our solar system?
A
Earth
B
Neptune
C
Saturn
4.
How far away is the Sun from the Earth?
A
about 150 million km away
B
about 250 million km away
C
about 350 million km away
5.
Which planet in our solar system is closest to the Sun?
A
Venus
B
Uranus
C
Mercury
6.
When was Pluto considered to be a dwarf planet?
A
1995
B
2002
C
2006
7.
About how long does it take the Moon to circle the Earth?
A
About a year
B
About 28 days
C
About a day
8.
What is the sun mainly made of?
A
lava
B
rock
C
gas
9.
Which of the following planets is the smallest?
A
Uranus
B
Mercury
C
Earth
10.
How many moons does Mars have?
A
1
B
2
C
3
11.
The largest volcano in the Solar System is called 'Olympus Mons'. Where is it located?
A
Jupiter
B
Venus
C
Mars
12.
What planet is the densest in our solar system, and also has only one satellite?
A
Earth
B
Saturn
C
Uranus