Solar System
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Date ___________________
  Solar System
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SOLARSYSTEM
ASTRONOMICALUNIT
OUTERPLANETS
INNERPLANETS
METEORITES
ASTEROIDS
REVOLUTION
ROTATION
PERIHELION
EROSION
METEORS
DIAMETER
NEPTUNE
APHELION
PLANETS
COMETS
AXIS
MASS
SATURN
CORONA
URANUS
EARTH
VENUS
SUN
MOONS
ORBIT

 

SOLARSYSTEM
ASTRONOMICALUNIT
OUTERPLANETS
INNERPLANETS
METEORITES
ASTEROIDS
REVOLUTION
ROTATION
PERIHELION
EROSION
METEORS
DIAMETER
NEPTUNE
APHELION
PLANETS
COMETS
AXIS
MASS
SATURN
CORONA
URANUS
EARTH
VENUS
SUN
MOONS
ORBIT

Down
1.  Any planet's natural satellite.
3.  A relatively small, icy celestial body with a long tail of light that revolves around the sun.
4.  The brightest and sixth largest planet in the Solar System.
5.  Pieces of rock or metal that have reached the Earth from outer space.
7.  That point of a planet's or comet's orbit which is most distant from the sun.
8.  A unit of length equal to the average distance from Earth to the sun (93 million miles). (2 words)
9.  The process by which material is worn away by forces such as glaciers, wind, and waves.
10.  (2 Words) Mercury, Venus, Earth, and Mars. (2 words)
14.  The nine major celestial bodies that orbits the sun.
15.  The point in the orbit of a planet or other body at which it comes closest to the sun.
16.  One complete circular movement made by one object around another object.
17.  This planet is the least dense of any planet.
21.  The amount of physical matter that an object contains, usually measured in grams or ounces.
Across
2.  The curved path in which a planet, satellite, or spacecraft revolves around another body.
3.  The outer atmosphere of a star.
6.  A straight line through the center of a circle, from one side to another.
11.  This planet has eleven known rings, all of which are very faint.
12.  The only planet whose name is not derived from Greek or Roman mythology.
13.  The sun and the celestial bodies that orbit the sun, including planets, satellites, asteroids, comets, dust, and gas. (2 words)
18.  An imaginary line through the middle of a body or planet, through which that object spins.
19.  A piece of rock or metal from space that enters the earth's atmosphere at high speed and burns up.
20.  (2 Words) Jupiter, Saturn, Uranus, and Neptune. (2 words)
22.  The act of turning on, or around, an axis. On Earth, this is equal to 23 hours, 56 minutes, and 4 seconds.
23.  The use of mathematics facilitated the discovery of this planet.
24.  The nearest star to Earth and the center of the Solar System.
25.  Any of thousands of celestial bodies with diameters between one and five hundred miles that revolve around the sun in orbits located mostly between those of Jupiter and Mars.

 

Answer Key
1M
2O
RBIT
3C
ORONA
4V
OOE
NM
5M
N
S
6D
I
7A
METER
8A
9E
10I
U
PTTS
11U
RANUS
12E
ARTHSETON
E
13S
OLARSYSTEM
14P
LROIRL
15P
IINOPA
EO
16R
TONLN
17S
RNEEMAE
18A
XISVSINT
THOC
19M
ETEORS
UELAT
RL
20O
UTERPLANETS
NI
21M
TU
22R
OTATION
23N
EPTUNE
NSOI
24S
UN
25A
STEROIDS