Solar System
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Name _____________________________
Date ___________________
Solar System Crossword
Complete the puzzle.
6145
315
101
24
78
12
9
1113

 

Down
1.  These objects are also known as minor planets.
2.  This planet has two prominent rings, which are very bright.
3.  Pluto's orbit sometimes crosses the orbit of this planet.
4.  When air in the atmosphere is warmed, air pressure ____.
5.  This planet is the densest planet in the Solar System.
6.  the fastest moving planet in the Solar System
7.  The atmosphere of Venus is mostly carbon _________.
8.  This is the only planet in the Solar System that has not yet been visited by a spacecraft.
9.  the number of seasons that Mercury has
10.  Earth is the only planet known to support _________.
Across
6.  Uranus' blue color is a result of this gas in the atmosphere.
11.  Jupiter is composed mostly of _________ and is known as a _________ giant.
12.  The temperature in Earth's _________ is estimated to be as high as 7500 K.
13.  Warm air is ____ dense than cold air, which is why a hot-air balloon rises.
14.  In comparison to the direction that the Earth rotates, _________ rotates in the opposite direction.
15.  Two Viking spacecrafts landed on this planet in 1976.

 

Answer Key
METHANEVENUS
ENMARS
RLAER
CISSPTd
UDPFTATHe
RILEETUc
YOURUNr
XTCOREe
ZIOINa
EDDs
REGASless
Os